Upgraded Safety Limit Switches Based Popular D4D, Providing Full Lineu
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Safety Limit Switch
Upgraded Safety Limit Switches Based Popular D4D, Providing Full Lineup Conforming International Standards
Lineup includes three contact models with 2NC/1NO contact forms addition previous contact forms 1NC/ 1NO, 2NC. Models with contacts also available. M12-connector models available, saving labor simplifying replacement. Standardized gold-clad contacts provide high contact reliability. used with both standard loads microloads. Conforms EN115, EN81-1, EN81-2 (slow-action models only). Lineup includes both slow-action snap-action models with contacts. Certified standards:
sure read "Safety Precautions" page "Precautions Safety Limit Switches" Note: Contact your sales representative details models with safety standard certification.
Model Number Structure
Model Number Legend
D4N-@@@@
Head Actuator Roller lever (resin lever, resin roller) Roller lever (metal lever, resin roller) Roller lever (metal lever, metal roller) Roller lever (metal lever, bearing roller) Adjustable roller lever, form lock (metal lever, resin roller) Adjustable roller lever, form lock (metal lever, rubber roller) Plunger Roller Plunger One-way roller lever (horizontal) One-way roller lever (vertical) whisker Plastic Fork lever lock (right operation) Fork lever lock (left operation) Conduit size Pg13.5 (1-conduit) G1/2 (1-conduit) 1/2-14NPT (1-conduit) (1-conduit) Pg13.5 (2-conduit) G1/2 (2-conduit) 1/2-14NPT (2-conduit) (2-conduit) connector (1-conduit) Built-in Switch 1NC/1NO (snap-action) (snap-action) 1NC/1NO (slow-action) (slow-action) 2NC/1NO (slow-action) (slow-action) 1NC/1NO (MBB contact) (slow-action) 2NC/1NO (MBB contact) (slow-action)
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Ordering Information
List Models
Switches with Contacts (with Direct Opening Mechanism)
Actuator Conduit size 1NC/1NO (Snap-action) Direct Model opening D4N-1120 D4N-2120 D4N-3120 D4N-4120 D4N-9120 D4N-5120 D4N-6120 D4N-8120 D4N-1122 D4N-2122 D4N-3122 D4N-4122 D4N-9122 D4N-5122 D4N-6122 D4N-8122 D4N-1125 D4N-2125 D4N-3125 D4N-4125 D4N-9125 D4N-1126 D4N-2126 D4N-3126 D4N-4126 D4N-9126 D4N-1131 D4N-2131 D4N-3131 D4N-4131 D4N-9131 D4N-5131 D4N-6131 D4N-8131 D4N-1132 D4N-2132 D4N-3132 D4N-4132 D4N-9132 D4N-5132 D4N-6132 D4N-8132 D4N-1162 D4N-2162 D4N-3162 D4N-4162 D4N-9162 D4N-5162 D4N-6162 D4N-8162 D4N-1172 D4N-2172 D4N-3172 D4N-4172 D4N-9172 D4N-5172 D4N-6172 D4N-8172 D4N-112G D4N-212G D4N-312G D4N-412G D4N-912G D4N-612G D4N-812G D4N-112H D4N-212H D4N-312H D4N-412H D4N-912H D4N-612H D4N-812H Built-in switch mechanism 1NC/1NO (Snap-action) (Slow-action) Direct Direct Model Model opening opening D4N-1220 D4N-1A20 D4N-2220 D4N-2A20 D4N-3220 D4N-3A20 D4N-4220 D4N-4A20 D4N-9220 D4N-9A20 D4N-5220 D4N-5A20 D4N-6220 D4N-6A20 D4N-8220 D4N-8A20 D4N-1222 D4N-1A22 D4N-2222 D4N-2A22 D4N-3222 D4N-3A22 D4N-4222 D4N-4A22 D4N-9222 D4N-9A22 D4N-5222 D4N-5A22 D4N-6222 D4N-6A22 D4N-8222 D4N-8A22 D4N-1225 D4N-1A25 D4N-2225 D4N-2A25 D4N-3225 D4N-3A25 D4N-4225 D4N-4A25 D4N-9225 D4N-9A25 D4N-1226 D4N-1A26 D4N-2226 D4N-2A26 D4N-3226 D4N-3A26 D4N-4226 D4N-4A26 D4N-9226 D4N-9A26 D4N-1231 D4N-1A31 D4N-2231 D4N-2A31 D4N-3231 D4N-3A31 D4N-4231 D4N-4A31 D4N-9231 D4N-9A31 D4N-5231 D4N-5A31 D4N-6231 D4N-6A31 D4N-8231 D4N-8A31 D4N-1232 D4N-1A32 D4N-2232 D4N-2A32 D4N-3232 D4N-3A32 D4N-4232 D4N-4A32 D4N-9232 D4N-9A32 D4N-5232 D4N-5A32 D4N-6232 D4N-6A32 D4N-8232 D4N-8A32 D4N-1262 D4N-1A62 D4N-2262 D4N-2A62 D4N-3262 D4N-3A62 D4N-4262 D4N-4A62 D4N-9262 D4N-9A62 D4N-5262 D4N-5A62 D4N-6262 D4N-6A62 D4N-8262 D4N-8A62 D4N-1272 D4N-1A72 D4N-2272 D4N-2A72 D4N-3272 D4N-3A72 D4N-4272 D4N-4A72 D4N-9272 D4N-9A72 D4N-5272 D4N-5A72 D4N-6272 D4N-6A72 D4N-8272 D4N-8A72 D4N-122G D4N-1A2G D4N-222G D4N-2A2G D4N-322G D4N-3A2G D4N-422G D4N-4A2G D4N-922G D4N-9A2G D4N-622G D4N-6A2G D4N-822G D4N-8A2G D4N-122H D4N-1A2H D4N-222H D4N-2A2H D4N-322H D4N-3A2H D4N-422H D4N-4A2H D4N-922H D4N-9A2H D4N-622H D4N-822H D4N-6A2H D4N-8A2H (Slow-action) Direct Model opening D4N-1B20 D4N-2B20 D4N-3B20 D4N-4B20 D4N-9B20 D4N-5B20 D4N-6B20 D4N-8B20 D4N-1B22 D4N-2B22 D4N-3B22 D4N-4B22 D4N-9B22 D4N-5B22 D4N-6B22 D4N-8B22 D4N-1B25 D4N-2B25 D4N-3B25 D4N-4B25 D4N-9B25 D4N-1B26 D4N-2B26 D4N-3B26 D4N-4B26 D4N-9B26 D4N-1B31 D4N-2B31 D4N-3B31 D4N-4B31 D4N-9B31 D4N-5B31 D4N-6B31 D4N-8B31 D4N-1B32 D4N-2B32 D4N-3B32 D4N-4B32 D4N-9B32 D4N-5B32 D4N-6B32 D4N-8B32 D4N-1B62 D4N-2B62 D4N-3B62 D4N-4B62 D4N-9B62 D4N-5B62 D4N-6B62 D4N-8B62 D4N-1B72 D4N-2B72 D4N-3B72 D4N-4B72 D4N-9B72 D4N-5B72 D4N-6B72 D4N-8B72 D4N-1B2G D4N-2B2G D4N-3B2G D4N-4B2G D4N-9B2G D4N-6B2G D4N-8B2G D4N-1B2H D4N-2B2H D4N-3B2H D4N-4B2H D4N-9B2H D4N-6B2H D4N-8B2H
Roller lever (resin lever, resin roller) 1-conduit
2-conduit Roller lever (metal lever, resin roller) 1-conduit
2-conduit Roller lever (metal lever, metal roller) 1-conduit
Roller lever (metal lever, bearing roller) 1-conduit
Plunger 1-conduit
2-conduit Roller plunger 1-conduit
2-conduit One-way roller lever (horizontal) 1-conduit
2-conduit One-way roller lever (vertical) 1-conduit
2-conduit Adjustable roller lever, form lock (metal lever, resin roller)
1-conduit
2-conduit Adjustable roller lever, form lock (metal lever, rubber 1-conduit roller)
Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector G1/2 Pg13.5 G1/2 1/2-14NPT connector G1/2
2-conduit
Note: recommended that used Switches exported Europe 1/2-14NPT used Switches exported North American countries.
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Switches with Three Contacts Contacts (with Direct Opening Mechanism)
Actuator Conduit size 2NC/1NO (Slow-action) Direct Model opening D4N-1C20 D4N-2C20 D4N-3C20 D4N-4C20 -D4N-5C20 D4N-6C20 D4N-8C20 D4N-1C22 D4N-2C22 D4N-3C22 D4N-4C22 -D4N-5C22 D4N-6C22 D4N-8C22 D4N-1C25 D4N-2C25 D4N-3C25 D4N-4C25 -D4N-1C26 D4N-2C26 D4N-3C26 D4N-4C26 -D4N-1C31 D4N-2C31 D4N-3C31 D4N-4C31 -D4N-5C31 D4N-6C31 D4N-8C31 D4N-1C32 D4N-2C32 D4N-3C32 D4N-4C32 -D4N-5C32 D4N-6C32 D4N-8C32 D4N-1C62 D4N-2C62 D4N-3C62 D4N-4C62 -D4N-5C62 D4N-6C62 D4N-8C62 D4N-1C72 D4N-2C72 D4N-3C72 D4N-4C72 -D4N-5C72 D4N-6C72 D4N-8C72 D4N-1C2G D4N-2C2G D4N-3C2G D4N-4C2G -D4N-6C2G D4N-8C2G D4N-1C2H D4N-2C2H D4N-3C2H D4N-4C2H -D4N-6C2H D4N-8C2H Built-in switch mechanism 1NC/1NO (Slow-action) (Slow-action) Direct Direct Model Model opening opening D4N-1D20 D4N-1E20 D4N-2D20 D4N-2E20 D4N-3D20 D4N-3E20 D4N-4D20 D4N-4E20 -D4N-9E20 D4N-5D20 D4N-5E20 D4N-6D20 D4N-6E20 D4N-8D20 D4N-8E20 D4N-1D22 D4N-1E22 D4N-2D22 D4N-2E22 D4N-3D22 D4N-3E22 D4N-4D22 D4N-4E22 -D4N-9E22 D4N-5D22 D4N-5E22 D4N-6D22 D4N-6E22 D4N-8D22 D4N-8E22 D4N-1D25 D4N-1E25 D4N-2D25 D4N-2E25 D4N-3D25 D4N-3E25 D4N-4D25 D4N-4E25 -D4N-9E25 D4N-1D26 D4N-1E26 D4N-2D26 D4N-2E26 D4N-3D26 D4N-3E26 D4N-4D26 D4N-4E26 -D4N-9E26 D4N-1D31 D4N-1E31 D4N-2D31 D4N-2E31 D4N-3D31 D4N-3E31 D4N-4D31 D4N-4E31 -D4N-9E31 D4N-5D31 D4N-5E31 D4N-6D31 D4N-6E31 D4N-8D31 D4N-8E31 D4N-1D32 D4N-1E32 D4N-2D32 D4N-2E32 D4N-3D32 D4N-3E32 D4N-4D32 D4N-4E32 -D4N-9E32 D4N-5D32 D4N-5E32 D4N-6D32 D4N-6E32 D4N-8D32 D4N-8E32 D4N-1D62 D4N-1E62 D4N-2D62 D4N-2E62 D4N-3D62 D4N-3E62 D4N-4D62 D4N-4E62 -D4N-9E62 D4N-5D62 D4N-5E62 D4N-6D62 D4N-6E62 D4N-8D62 D4N-8E62 D4N-1D72 D4N-1E72 D4N-2D72 D4N-2E72 D4N-3D72 D4N-3E72 D4N-4D72 D4N-4E72 -D4N-9E72 D4N-5D72 D4N-5E72 D4N-6D72 D4N-6E72 D4N-8D72 D4N-8E72 D4N-1D2G D4N-1E2G D4N-2D2G D4N-2E2G D4N-3D2G D4N-3E2G D4N-4D2G D4N-4E2G -D4N-9E2G D4N-6D2G D4N-6E2G D4N-8D2G D4N-8E2G D4N-1D2H D4N-1E2H D4N-2D2H D4N-2E2H D4N-3D2H D4N-3E2H D4N-4D2H D4N-4E2H -D4N-9E2H D4N-6D2H D4N-8D2H D4N-6E2H D4N-8E2H 2NC/1NO (Slow-action) Direct Model opening D4N-1F20 D4N-2F20 D4N-3F20 D4N-4F20 -D4N-5F20 D4N-6F20 D4N-8F20 D4N-1F22 D4N-2F22 D4N-3F22 D4N-4F22 -D4N-5F22 D4N-6F22 D4N-8F22 D4N-1F25 D4N-2F25 D4N-3F25 D4N-4F25 -D4N-1F26 D4N-2F26 D4N-3F26 D4N-4F26 -D4N-1F31 D4N-2F31 D4N-3F31 D4N-4F31 -D4N-5F31 D4N-6F31 D4N-8F31 D4N-1F32 D4N-2F32 D4N-3F32 D4N-4F32 -D4N-5F32 D4N-6F32 D4N-8F32 D4N-1F62 D4N-2F62 D4N-3F62 D4N-4F62 -D4N-5F62 D4N-6F62 D4N-8F62 D4N-1F72 D4N-2F72 D4N-3F72 D4N-4F72 -D4N-5F72 D4N-6F72 D4N-8F72 D4N-1F2G D4N-2F2G D4N-3F2G D4N-4F2G -D4N-6F2G D4N-8F2G D4N-1F2H D4N-2F2H D4N-3F2H D4N-4F2H -D4N-6F2H D4N-8F2H
Roller lever (resin lever, resin roller) 1-conduit
2-conduit Roller lever (metal lever, resin roller) 1-conduit
2-conduit Roller lever (metal lever, metal roller) 1-conduit
Roller lever (metal lever, bearing roller) 1-conduit
Plunger 1-conduit
2-conduit Roller plunger 1-conduit
2-conduit One-way roller lever (horizontal) 1-conduit
2-conduit One-way roller lever (vertical) 1-conduit
2-conduit Adjustable roller lever, form lock (metal lever, resin roller)
1-conduit
2-conduit Adjustable roller lever, form lock (metal lever, rubber roller)
1-conduit
Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector Pg13.5 G1/2 Pg13.5 G1/2 1/2-14NPT connector G1/2 Pg13.5 G1/2 1/2-14NPT connector G1/2
2-conduit
Note: recommended that used Switches exported Europe 1/2-14NPT used Switches exported North American countries.
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General-purpose Switches with Contacts
Built-in switch mechanism Actuator Conduit size 1NC/1NO (Snap-action) Model Fork lever lock (right operation) G1/2 1-conduit 1/2-14NPT 2-conduit Fork lever lock (left operation) G1/2 G1/2 1-conduit 1/2-14NPT 2-conduit whisker 1-conduit G1/2 G1/2 1/2-14NPT 2-conduit Plastic 1-conduit G1/2 G1/2 1/2-14NPT 2-conduit G1/2 D4N-2180 D4N-3180 D4N-4180 D4N-6180 D4N-8180 D4N-2187 D4N-3187 D4N-4187 D4N-6187 D4N-8187 -D4N-2280 D4N-3280 D4N-4280 D4N-6280 D4N-8280 D4N-2287 D4N-3287 D4N-4287 D4N-6287 D4N-8287 -Direct opening (Snap-action) Model Direct opening 1NC/1NO (Slow-action) Model D4N-2ARE D4N-3ARE D4N-4ARE D4N-6ARE D4N-8ARE D4N-2ALE D4N-3ALE D4N-4ALE D4N-6ALE D4N-8ALE -Direct opening (Slow-action) Model D4N-2BRE D4N-3BRE D4N-4BRE D4N-6BRE D4N-8BRE D4N-2BLE D4N-3BLE D4N-4BLE D4N-6BLE D4N-8BLE D4N-2B80 D4N-3B80 D4N-4B80 D4N-6B80 D4N-8B80 D4N-2B87 D4N-3B87 D4N-4B87 D4N-6B87 D4N-8B87 -Direct opening
Note: recommended that used Switches exported Europe 1/2-14NPT used Switches exported North American countries. Mechanically speaking, these models basic limit switches.
General-purpose Switches with Three Contacts Contacts
Built-in switch mechanism Actuator Conduit size 2NC/1NO (Slow-action) Model Fork lever lock (right operation) G1/2 1-conduit 1/2-14NPT 2-conduit Fork lever lock (left operation) G1/2 G1/2 1-conduit 1/2-14NPT 2-conduit whisker 1-conduit G1/2 G1/2 1/2-14NPT 2-conduit Plastic 1-conduit G1/2 G1/2 1/2-14NPT 2-conduit G1/2 -D4N-2CRE D4N-3CRE D4N-4CRE D4N-6CRE D4N-8CRE D4N-2CLE D4N-3CLE D4N-4CLE D4N-6CLE D4N-8CLE -Direct opening (Slow-action) Model D4N-2DRE D4N-3DRE D4N-4DRE D4N-6DRE D4N-8DRE D4N-2DLE D4N-3DLE D4N-4DLE D4N-6DLE D4N-8DLE D4N-2D80 D4N-3D80 D4N-4D80 D4N-6D80 D4N-8D80 D4N-2D87 D4N-3D87 D4N-4D87 D4N-6D87 D4N-8D87 -Direct opening 1NC/1NO (Slow-action) Model D4N-2ERE D4N-3ERE D4N-4ERE D4N-6ERE D4N-8ERE D4N-2ELE D4N-3ELE D4N-4ELE D4N-6ELE D4N-8ELE -Direct opening 2NC/1NO (Slow-action) Model D4N-2FRE D4N-3FRE D4N-4FRE D4N-6FRE D4N-8FRE D4N-2FLE D4N-3FLE D4N-4FLE D4N-6FLE D4N-8FLE -Direct opening
Note: recommended that used Switches exported Europe 1/2-14NPT used Switches exported North American countries. Mechanically speaking, these models basic limit switches.
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Specifications
Standards Directives
Conforms following Directives:
Machinery Directive Voltage Directive EN50047 EN60204-1 EN1088 GS-ET-15
Certified Standard Ratings
(EN60947-5-1), (GB14048.5)
Item Utilization category AC-15 DC-13 0.27
Rated operating current (Ie)
Rated operating voltage (Ue)
Certified Standards
Certification body Product Service (CCC) Standard EN60947-5-1 (certified direct opening) GB14048.5 File
Note: fuse type that conforms IEC269 short-circuit protection device. This fuse built into Switch.
UL/CSA (UL508, C22.2
A300
Rated voltage Carry current Current Make Break Volt-amperes (VA) Make 7,200 Break
UL508, C22.2 No.14 E76675 2004010305105973
Consult your OMRON representative details. Certification C22.2 authorized mark. your OMRON representative information certified models.
Q300
Rated voltage Carry current Current Make 0.55 0.27 Break 0.55 0.27 Volt-amperes (VA) Make Break
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Characteristics
Degree protection Mechanical Durability Operating speed Operating frequency Contact resistance Minimum applicable load Rated insulation voltage (Ui) Rated frequency Protection against electric shock Pollution degree (operating environment) Between terminals same polarity Impulse withstand voltage (EN60947-5-1) Between terminals different polarity Electrical IP67 (EN60947-5-1) 15,000,000 operations min. 500,000 operations min. resistive load VAC) 300,000 operations min. resistive load VAC) mm/s (D4N-1120) operations/minute max. 50/60 Class (double insulation) (EN60947-5-1) max. resistive load (N-level reference value)
Between each terminal non-current carrying metallic parts min. Snap-action: min. Slow-action: min. Malfunction Destruction Malfunction 0.75 single amplitude 1,000 m/s2 min. m/s2 min. (EN60947-5-1) (EN60947-5-1) (with icing) max. Approx. (D4N-1120) Approx. (D4N-5120)
Insulation resistance Contact Vibration resistance Shock resistance
Conditional short-circuit current Conventional free thermal current (Ith) Ambient operating temperature Ambient operating humidity Weight
Note: above values initial values. Once contact been used switch standard load, cannot used load smaller capacity. Doing result roughening contact surface contact reliability lost. degree protection tested using method specified standard (EN60947-5-1). Confirm that sealing properties sufficient operating conditions environment beforehand. Although switch protected from dust water penetration, places where foreign material such dust, dirt, oil, water, chemicals penetrate through head. Otherwise, accelerated wear, Switch damage malfunctioning occur. durability ambient temperature ambient humidity 70%. more details, consult your OMRON representative. pass load through more than circuits. This value will vary with switching frequency, environment, reliability level. Confirm that correct operation possible with actual load beforehand. mechanical durability fork lever lock models 10,000,000 operations min.
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Structure Nomenclature
Structure
Safety-oriented Lever Setting (Form-lock construction) Grooves which engage lever lever rotary shaft prevent lever from slipping against rotary shaft. There resin-lever metal-lever types.
Head direction switch head varied four directions. (Roller plunger models mounted either directions angle.)
Conduit Opening
wide variety conduits available.
Built-in Switch built-in switch direct opening mechanism that forcibly separates contact even when there contact deposit.
Cover cover, with hinge lower part, opened removing screw cover, which ensures ease maintenance wiring.
Size Pg13.5 G1/2
1-conduit
2-conduit
1/2-14NPT connector
Note: connector types available Switches with three contacts.
Direct Opening Mechanism
1NC/1NO Contact (Slow-action) Contact (Slow-action)
Fixed contact (NC) Fixed contact (NC) Contact spring Movable contact Fixed contact (NO) Plunger Return spring Return spring Contact spring Plunger Movable contact
Conforms EN60947-5-1 Direct Opening Operation (Only contact side direct opening mechanism.) When contact welding occurs, contacts separated from each other plunger being pushed
Conforms EN60947-5-1 Direct Opening Operation (Both contacts have direct opening mechanism.)
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Contact Form
Model Contact Contact form
Operating pattern
Remarks
D4N-@1@
1NC/1NO (Snap-action)
13-14 31-32 Stroke
Only contacts 31-32 have certified direct opening mechanism. terminals 13-14 31-32 used unlike poles. Only contacts 11-12 31-32 have certified direct opening mechanism. terminals 11-12 31-32 used unlike poles. Only contacts 11-12 have certified direct opening mechanism. terminals 11-12 33-34 used unlike poles. Only contacts 11-12 31-32 have certified direct opening mechanism. terminals 11-12 31-32 used unlike poles. Only contacts 11-12 21-22 have certified direct opening mechanism. terminals 11-12, 21-22, 33-34 used unlike poles. Only contacts 11-12, 21-22, 31-32 have certified direct opening mechanism. terminals 11-12, 21-22, 31-32 used unlike poles. Only contacts 11-12 have certified direct opening mechanism. terminals 11-12 33-34 used unlike poles. Only contacts 11-12 21-22 have certified direct opening mechanism. terminals 11-12, 21-22 33-34 used unlike poles.
D4N-@2@
(Snap-action)
11-12 31-32 Stroke
D4N-@A@
1NC/1NO (Slow-action)
11-12 33-34 Stroke
D4N-@B@
(Slow-action)
11-12 31-32 Stroke
D4N-@C@
2NC/1NO (Slow-action)
11-12 21-22 33-34 Stroke
D4N-@D@
(Slow-action)
11-12 21-22 31-32 Stroke
D4N-@E@
1NC/1NO (Slow-action)
11-12 33-34 Stroke
D4N-@F@
2NC/1NO (Slow-action)
11-12 21-22 33-34 Stroke
Note: Terminals numbered according EN50013 contact forms according IEC947-5-1. (Make Before Break) contacts have overlapping structure, that before normally closed contact (NC) opens, normally open contact (NO) closes.
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Dimensions Operating Characteristics
Switches
1-conduit Models
Roller Lever (Resin Lever, Resin Roller) D4N-1@20 D4N-2@20 D4N-3@20 D4N-4@20 17.5 dia. D4N-9@20
resin roller
(Unit:
(27) 11±0.2
Roller Lever (Metal Lever, Resin Roller) D4N-1@22 D4N-2@22 D4N-3@22 D4N-4@22 D4N-9@22 39.5± 17.5 dia.
resin roller Metal lever
(31) 11±0.2
Resin lever
20.5 20.5
27.5
20.5 20.5
27.5
9±0.2
9±0.2
21.5
20±0.1 22±0.1 47±0.2 20±0.1 22±0.1
21.5
47±0.2
2.15±0.05R mounting holes
2.15±0.05R mounting holes
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Roller Lever (Metal Lever, Metal Roller) D4N-1@25 D4N-2@25 D4N-3@25 D4N-4@25 D4N-9@25 17.5 dia.
sintered stainless steel roller Metal lever
39.5±1 (31) 11±0.2
Roller Lever (Metal Lever, Bearing Roller) D4N-1@26 D4N-2@26 D4N-3@26 D4N-4@26 43.6± D4N-9@26 dia.
Bearing roller Metal lever 20.5 20.5
27.5
9±0.2 47±0.2
(31.5) 11±0.2
20.5 20.5
27.5 21.5
20±0.1 22±0.1
9±0.2
21.5
20±0.1 22±0.1
47±0.2
2.15±0.05R mounting holes
22±0.2 max.
2.15±0.05R mounting holes
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions. Refer page details connectors.
Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model D4N-@120 D4N-@220 D4N-@B20 Operating characteristics D4N-@D20 Operating force Release force Pretravel Overtravel max. min. min. -(80 D4N-@122 D4N-@222 D4N-@B22 D4N-@D22 D4N-@125 D4N-@225 D4N-@B25 D4N-@D25 D4N-@126 D4N-@226 D4N-@B26 D4N-@D26
Slow-action (1NC/1NO) (2NC/1NO)
Model D4N-@A20 D4N-@C20 D4N-@E20 Operating characteristics D4N-@F20 Operating force Release force max. min. D4N-@A22 D4N-@C22 D4N-@E22 D4N-@F22 D4N-@A25 D4N-@C25 D4N-@E25 D4N-@F25 D4N-@A26 D4N-@C26 D4N-@E26 D4N-@F26
(2nd) 27.5 36.5 (2nd) Overtravel Total travel min. -(80 Operating position
Movement differential max. Operating position Total travel
Direct opening travel min. Direct opening force min.
Direct opening travel min. Direct opening force min.
Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation. Only snap-action models. Reference value. safe use, always make sure that minimum values greater provided.
These values possible when contacts open (OFF). These values possible when contacts closed (ON). Only models. Reference values models only. Reference values. safe use, always make sure that minimum values greater provided.
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1-conduit Models
Plunger D4N-1@31 D4N-3@31 D4N-9@31 D4N-2@31 D4N-4@31 Roller Plunger D4N-1@32 D4N-2@32 D4N-3@32 D4N-4@32 D4N-9@32
25±0.1
Two, 3±0.05 dia. holes dia. 6-dia. resin plunger
9±0.2 47±0.2 20±0.1 22±0.1
(31.5) 21.5 11±0.2
9±0.2
20.5 20.5 dia. resin roller
25.2
(31.5) 21.5 11±0.2
2.15±0.05R mounting holes
47±0.2
20±0.1 22±0.1
2.15±0.05R mounting holes
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
One-way Roller Lever (Horizontal) D4N-1@62 D4N-2@62 D4N-3@62 D4N-4@62 D4N-9@62
One-way Roller Lever (Vertical) D4N-1@72 D4N-2@72 D4N-3@72 D4N-4@72 D4N-9@72
Operating direction
14.8 11±0.2 13.5
12.5 dia. resin roller
9±0.2 20±0.1 22±0.1 47±0.2
(31.5) 21.5 11±0.2
11±0.2
dia. resin roller
14.7
(31.5) 21.5 11±0.2
10.2 10.2
9±0.2 47±0.2 20±0.1 22±0.1
19.5±0.2
23.3 19.5±0.2
2.15±0.05R mounting holes Operating direction
2.15±0.05R mounting holes
22±0.2 max. 22±0.2 max.
Conduit
14.2
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions. Refer page details connectors.
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Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model D4N-@131 D4N-@231 D4N-@B31 D4N-@D31 D4N-@132 D4N-@232 D4N-@B32 D4N-@D32 D4N-@162 D4N-@262 D4N-@B62 D4N-@D62 D4N-@172 D4N-@272 D4N-@B72 D4N-@D72 Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation. Only snap-action models. Reference value. safe use, always make sure that minimum values greater provided.
Operating characteristics Operating force Release force Pretravel Overtravel Movement differential Operating position Total travel Direct opening travel Direct opening force
max. min. max. min. max. min. min.
18.2 28.6
Slow-action (1NC/1NO) (2NC/1NO)
Model D4N-@A31 D4N-@C31 D4N-@E31 D4N-@F31 (2.9 D4N-@A32 D4N-@C32 D4N-@E32 D4N-@F32 (2.9 D4N-@A62 D4N-@C62 D4N-@E62 D4N-@F62 (5.2 (1.5 D4N-@A72 D4N-@C72 D4N-@E72 D4N-@F72 These values possible when contacts open (OFF). These values possible when (4.3 contacts closed (ON). Only models. (1.5 Reference values models. Only models. Reference value. 26.1 safe use, always make sure that minimum values greater provided.
Operating characteristics Operating force Release force Pretravel
max. min. max. (2nd) max. (2nd)
Overtravel Operating position Total travel Direct opening travel Direct opening force
min. min. min.
18.2 28.6 17.4
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1-conduit Models
Adjustable Roller Lever, Form Lock (with Metal Lever, Resin Roller) D4N-1@2G D4N-2@2G D4N-3@2G D4N-4@2G 17.5 dia. D4N-9@2G
resin roller
45±1 39.5±1 (31) 11±0.2
Adjustable Roller Lever, Form Lock (with Metal Lever, Rubber Roller) D4N-1@2H D4N-2@2H D4N-3@2H D4N-4@2H dia. D4N-9@2H rubber roller
Bearing
20.5 20.5
48.2±1 41.3±1 (29.2)
11±0.2
20.5 20.5
27.5
9±0.2
21.5
27.5
9±0.2
47±0.2 20±0.1 22±0.1
21.5
2.15±0.05R mounting holes
47±0.2 20±0.1 22±0.1
2.15±0.05R mounting holes Stainless steel lever
22±0.2 max.
Conduit
14.2 Two, 4+0.15 dia. holes
Depth:
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions. Refer following diagrams details connectors.
Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model D4N-@12H D4N-@22H D4N-@B2H D4N-@D2H Operating characteristics Operating force Release force Pretravel Overtravel Movement differential Operating position Total travel Direct opening travel Direct opening force max. min. min. max. min. min. -(80 Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation. operating characteristics these Switches were measured with roller lever Only snap-action models. Reference value. safe use, always make sure that minimum values greater provided. D4N-@12G D4N-@22G D4N-@B2G D4N-@D2G
Slow-action (1NC/1NO) (2NC/1NO)
Model D4N-@A2H D4N-@C2H D4N-@E2H D4N-@F2H Operating characteristics Operating force Release force Pretravel max. min. (2nd) (2nd) Overtravel Operating position Total travel Direct opening travel Direct opening force 1-conduit Connector D4N-9@@@
(14) 14.2
D4N-@A2G D4N-@C2G D4N-@E2G D4N-@F2G operating characteristics these Switches were measured with roller lever This value possible when contacts open (OFF). This value possible when contacts closed (ON). Only models. Reference value models only. Reference value. safe use, always make sure that minimum values greater provided.
27.5 36.5 -(80
min. min. min.
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1-conduit Models
Fork Lever Lock (Right Operation) D4N-1@RE D4N-2@RE D4N-3@RE D4N-4@RE
Two, 17.5 dia. rubber rollers
Fork Lever Lock (Left Operation) D4N-1@LE D4N-2@LE D4N-3@LE D4N-4@LE
max. 39.3±1 (27.2) 11±0.2 11±0.2 max. 39.3±1 (27.2)
Two, 17.5 dia. rubber rollers
20.5 20.5
27.5
47±0.2
20.5 20.5
20±0.1 22±0.1 47±0.2
27.5
9±0.2
9±0.2
21.5 21.5
20±0.1 22±0.1
2.15±0.05R mounting holes
14.2
2.15±0.05R mounting holes
22±0.2 Conduit max.
Two, 4+0.15 dia. holes Depth:
Two, 4+0.15 dia. holes 14.2 Depth:
Conduit
22±0.2 max.
Whisker D4N-1@80 D4N-3@80
D4N-2@80 D4N-4@80
1.2-dia. stainless steel wire
21.5
Plastic D4N-1@87 D4N-3@87
D4N-2@87 D4N-4@87
20.5 20.5
Resin
21.5
20.5 20.5 Sealing
143.1 (50.1)
16.6 dia. Sealing
12±0.2 47±0.2 20±0.1 22±0.1 9±0.2
16.6 dia.
11±0.2
11±0.2
9±0.2 47±0.2 20±0.1 22±0.1
2.15±0.05R mounting holes
22±0.2 max.
2.15±0.05R mounting holes
Conduit
22±0.2 max.
Conduit
14.2 Two, 4+0.15 dia. holes
14.2 (31.5)
(31.5)
Depth:
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions. usable range stainless steel wires resin rods max. from with total travel max.
Slow-action (1NC/1NO) (2NC/1NO) (2NC) (3NC)
Model Operating characteristics
D4N-@@RE (6.5 (MBB: (18.5 (MBB:
D4N-@@LE (6.5 (MBB: (18.5 (MBB:
Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation.
Force necessary reverse direction lever: max. Movement until lever reverses Movement until switch operation (NC) Movement until switch operation (NO)
Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model Operating characteristics
D4N-@@80
D4N-@@87
Operating force Pretravel
max. max.
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2-conduit Models
Roller Lever (Resin Lever, Resin Roller) D4N-5@20 17.5 dia. D4N-6@20 resin roller D4N-8@20
Resin lever
20±0.1 22±0.1 40±0.1 42±0.1 9±0.2 39±0.2
dia.
47±1 40±1 (27) 11±0.2 20.5 20.5 27.5 21.5 20.5
Roller Lever (Metal Lever, Resin Roller) D4N-5@22 D4N-6@22 17.5 dia. D4N-8@22 resin roller
Metal lever
45±1 39.5±1 (31) 11±0.2
20.5 20.5
9±0.2 20±0.1 22±0.1 40±0.1 42±0.1 39±0.2
dia.
27.5 21.5 20.5
2.15±0.05R mounting holes Conduit
42±0.2 max.
14.2
2.15±0.05R mounting holes Conduit
42±0.2 max.
Two, 4+0.15 dia. holes Depth:
14.2
Two, 4+0.15 dia. holes Depth:
Plunger D4N-5@31 D4N-6@31 D4N-8@31
25±0.1
Roller Plunger D4N-5@32 D4N-6@32 D4N-8@32
dia.
20.5 20.5
Two, 3±0.05 dia. holes
6-dia. resin plunger
20±0.1 22±0.1 40±0.1 42±0.1 9±0.2 39±0.2
dia.
(31.5) 21.5 11±0.2
dia. resin roller
9±0.2 20±0.1 22±0.1 40±0.1 42±0.1 39±0.2
dia.
(31.5) 21.5 11±0.2
25.2
20.5
20.5
2.15±0.05R mounting holes Conduit
2.15±0.05R mounting holes Conduit
42±0.2 max. 14.2
42±0.2 max.
14.2
Two, 4+0.15 dia. holes Depth:
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions.
Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model D4N-@120 D4N-@220 D4N-@B20 Operating characteristics D4N-@D20 Operating force Release force Pretravel Overtravel max. min. min. D4N-@122 D4N-@222 D4N-@B22 D4N-@D22 -(80 D4N-@131 D4N-@231 D4N-@B31 D4N-@D31 D4N-@132 D4N-@232 D4N-@B32 D4N-@D32 28.2
Slow-action (1NC/1NO) (2NC/1NO)
Model D4N-@A20 D4N-@C20 D4N-@E20 Operating characteristics D4N-@F20 Operating force Release force Pretravel max. min. (2nd) 27.5 36.5 D4N-@A22 D4N-@C22 D4N-@E22 D4N-@F22 27.5 36.5 -(80 D4N-@A31 D4N-@C31 D4N-@E31 D4N-@F31 (2.9 17.4 D4N-@A32 D4N-@C32 D4N-@E32 D4N-@F32 (2.9 28.2
Movement differential max. Operating position Total travel -(80
(2nd) Overtravel min. -(80
Operating position Total travel
Direct opening travel min. Direct opening force min.
Direct opening travel min. Direct opening force min.
Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation. Only snap-action models. Reference value. safe use, always make sure that minimum values greater provided.
This value possible when contacts open (OFF). This value possible when contacts closed (ON). Only models. Reference value models. Only models. Reference value. safe use, always make sure that minimum values greater provided.
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2-conduit Models
One-way Roller Lever Operating direction (Horizontal) 14.8 D4N-5@62 dia. D4N-6@62 11±0.2 resin roller D4N-8@62
13.5
(31.5) 21.5 11±0.2
One-way Roller Lever (Vertical) D4N-5@72 D4N-6@72 D4N-8@72 11±0.2
10.2 21.5
(31.5)
9±0.2 20±0.1 22±0.1 40±0.1 42±0.1 39±0.2
dia.
dia. resin roller
21.5 11±0.2
23.3 19.5±0.2
14.7 10.2
9±0.2
2.15±0.05R mounting holes
Conduit
20.5
20±0.1 22±0.1 40±0.1 42±0.1
19.5±0.2
21.5 20.5
39±0.2
dia.
42±0.2 max.
14.2
Two, 4+0.15 dia. holes Depth:
2.15±0.05R mounting holes Conduit
42±0.2 max.
Operating direction
14.2
Two, 4+0.15 dia. holes Depth:
Adjustable Roller Lever, Form Lock (with Metal Lever, Resin Roller) D4N-6@2G 17.5 dia. resin roller D4N-8@2G
Resin lever 2.15±0.05R mounting holes
45±1 39.5±1 (31) 11±0.2
Adjustable Roller Lever, Form Lock (with Metal Lever, Rubber Roller) D4N-6@2H dia. rubber roller D4N-8@2H Bearing
20.5 20.5 2.15±0.05R mounting holes
48.2±1 41.3±1 (29.2)
11±0.2
9±0.2 39±0.2
dia.
27.5 21.5 20.5
Stainless steel lever
9±0.2 39±0.2
dia.
20.5 20.5
27.5 21.5 20.5
20±0.1 22±0.1 40±0.1 42±0.1
42±0.2 max.
Conduit
14.2
20±0.1 22±0.1 40±0.1 42±0.1
42±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes Depth:
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions.
Snap-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model D4N-@162 D4N-@262 D4N-@B62 D4N-@D62 Operating characteristics Operating force Release force Pretravel Overtravel max. min. max. min. D4N-@172 D4N-@272 D4N-@B72 D4N-@D72 D4N-@12G D4N-@22G D4N-@B2G D4N-@D2G D4N-@12H D4N-@22H D4N-@B2H D4N-@D2H -(70
Slow-action (1NC/1NO) (2NC/1NO)
Model D4N-@A62 D4N-@C62 D4N-@E62 D4N-@F62 Operating characteristics Operating force Release force Pretravel max. min. max. (2nd) (5.2 max. (2nd) (1.5 Overtravel min. Operating position Total travel D4N-@A72 D4N-@C72 D4N-@E72 D4N-@F72 (4.3 (1.5 26.1 D4N-@A2G D4N-@C2G D4N-@E2G D4N-@F2G 27.5 36.5 D4N-@A2H D4N-@C2H D4N-@E2H D4N-@F2H 27.5 36.5 -(70
Movement differential max. Operating position Total travel
Direct opening travel min. Direct opening force min.
-(70
Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation. operating characteristics these Switches were measured with roller lever operating characteristics these Switches were measured with roller lever Only snap-action models. Reference value. safe use, always make sure that minimum values greater provided.
Direct opening travel min. Direct opening force min.
operating characteristics these Switches were measured with roller lever operating characteristics these Switches were measured with roller lever This value possible when contacts open (OFF). This value possible when contacts closed (ON). Only models. Reference value models only. Only models. Reference value. safe use, always make sure that minimum values greater provided.
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2-conduit Models
Fork Lever Lock (Right Operation) D4N-5@RE D4N-6@RE D4N-7@RE D4N-8@RE Fork Lever Lock (Left Operation) D4N-5@LE D4N-6@LE D4N-7@LE D4N-8@LE
max. 39.3±1 (27.2) 11±0.2 max. 39.3±1 (27.2) 27.5 11±0.2 21.5
Two, 17.5 dia. rubber rollers
Two, 17.5 dia. rubber rollers
20.5 20.5
20±0.1 22±0.1 40±0.1 42±0.1 9±0.2 39±0.2 dia.
20.5 20.5
20±0.1 22±0.1 40±0.1 42±0.1 9±0.2 39±0.2
dia.
20.5
27.5 21.5 20.5
2.15±0.05R mounting holes
Conduit
2.15±0.05R mounting holes Conduit
Two, 4+0.15 dia. holes Depth:
14.2
42±0.2 max.
42±0.2 max.
14.2 Two, 4+0.15 dia. holes
Depth:
Whisker D4N-5@80 D4N-7@80
D4N-6@80 D4N-8@80
Plastic D4N-5@87 D4N-7@87
1.2-dia. stainless steel wire
D4N-6@87 D4N-8@87
Resin Sealing
20±0.1 22±0.1 40±0.1 42±0.1 20.5 20.5 143.1 (50.1)
21.5 16.6 dia. 11±0.2
12±0.2
21.5 16.6 dia. 11±0.2
Sealing
9±0.2 20±0.1 22±0.1 40±0.1 42±0.1 39±0.2
dia.
9±0.2
2.15±0.05R mounting holes
Conduit
39±0.2 dia.
20.5
20.5
42±0.2 max.
2.15±0.05R mounting holes
Conduit
42±0.2 max.
14.2
(31.5)
14.2 (31.5)
Two, 4+0.15 dia. holes Depth:
Two, 4+0.15 dia. holes Depth:
Note: Unless otherwise specified, tolerance applies dimensions. usable range stainless steel wires resin rods max. from with total travel max.
Slow-action (1NC/1NO) (2NC), Slow-action (2NC) (3NC)
Model Operating characteristics Force necessary reverse direction lever: max. Movement until lever reverses Movement until switch operation (NC) Movement until switch operation (NO) D4N-@@RE (6.5 (18.5 D4N-@@LE (6.5 (MBB: (18.5 (MBB:
Note: Variation occurs simultaneity contact opening/closing operations 2NC, 2NC/1NO, contacts. Check contact operation.
Snap-action (1NC/1NO), Slow-action (2NC) (3NC)
Model Operating characteristics Operating force Pretravel max. D4N-@@80 D4N-@@87
max.
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Levers
Refer following angles positions watchdogs (source: EN50047.)
Roller Lever (D4N-@@20)
Adjustable Roller Lever, Form Lock (with Metal Lever, Resin Roller) (D4N-@@2G) (Reference Values)
40±2
min.
Adjustable Roller Lever, Form Lock (with Metal Lever, Rubber Roller) (D4N-@@2H) (Reference Values)
30±7 42±2
min.
40±2 15±3
min. min.
29±7 11±3
min.
min.
min.
min.
40+1
min.
70+1 55+1
55+1 35+1 max.
Sealed Plunger (D4N-@@31)
12.5 -2.5
Roller Plunger (D4N-@@32)
12.5 -2.5
10±1.5
Operating position
Operating position
min.
min. 18±0.5 min.
25+1
min.
min. 28±1
min.
One-way Roller Lever (Horizontal) (D4N-@@62)
12.5 -2.5
One-way Roller Lever (Vertical) (Reference Values) (D4N-@@72)
12.5 -2.5
10±2 min. 31+1
max.
min.
min. min.
min.
41±2
22+1 min.
Fork Lever Lock (Right Operation) (D4N-@@RE)
Fork Lever Lock (Left Operation) (D4N-@@LE)
Mounting surface Mounting surface setting range
setting range
Note: Unless otherwise specified, tolerance applies dimensions.
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Safety Precautions
Refer "Precautions Switches" "Precautions Safety Limit Switches".
!CAUTION
Electric shock occasionally occur. metal connectors metal conduits.
Switch Mounting
Mount Switch using screws washers tighten screws specified torque. safety, screws that cannot easily removed, equivalent measure ensure that Switch secure. shown below, studs with maximum height diameter 0.05 provided, studs inserted into 0.15 holes bottom Switch, Switch secured four locations increase mounting strength. Switch Mounting Holes One-conduit Type
2.5±0.1 Two,
5.35±0.1
Precautions Safe
Switch submerged water, locations continuously subject splashes water. Doing result water entering Switch interior. (The IP67 degree protection specification Switch refers water penetration while Switch submersed water specified period time.) Always attach cover after completing wiring before using Switch. Also, turn Switch with cover open. Doing result electric shock. switch circuits more standard loads (250 VAC, same time. Doing adversely affect insulation performance.
Two-conduit Type
2.5±0.1 Two,
20±0.1 22±0.1 47±0.1
39±0.1
20±0.1 22±0.1 40±0.1 42±0.1
Precautions Correct
Switch contacts used with either standard loads microloads. Once contacts have been used switch load, however, they cannot used switch smaller loads. contact surfaces will become rough once they have been used contact reliability smaller loads reduced.
42±0.1
22±0.1
-0.15 dia. Height: max.
-0.05
-0.15 dia. Height: max.
-0.05
Make sure that contacts actuator right angle. Applying load switch actuator (roller) slant result deformation damage actuator rotary shaft.
Mounting Method
Appropriate Tightening Torque
Tighten each screws specified torque. Loose screws result malfunction Switch within short time. Terminal screw Cover mounting screw Head mounting screw Lever mounting screw Body mounting screw Connector, adaptor screw (except 1/2-14NPT) (for 1/2-14NPT)
Incorrect
Correct
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Wiring
Wiring
When connecting terminals insulating tube M3.5 crimp terminals, arrange crimp terminals shown below that they rise onto case cover. Applicable lead wire size: AWG20 AWG18 (0.5 0.75 mm2). lead wires appropriate length, shown below. doing result excess length causing cover rise properly.
Contact Arrangement
contact arrangements shown below.
Screw Terminal Type
D4N-@D@@ (3NC)
D4N-@C@@ (2NC/1NO) D4N-@F@@ (2NC/1NO (MBB))
One-conduit Type Poles)
D4N-@B@@ (2NC) D4N-@2@@ (2NC (SNAP))
Tolerance
D4N-@A@@ (1NC/1NO) D4N-@E@@ (1NC/1NO (MBB))
D4N-@1@@ (1NC/1NO (SNAP))
Two-conduit Type Poles)
Left hand
Right hand
Connector Type
D4N-9B@@ (2NC) D4N-92@@ (2NC (SNAP))
D4N-9A@@ (1NC/1NO) D4N-9E@@ (1NC/1NO (MBB))
Tolerance
Tolerance
push crimp terminals into gaps case interior. Doing cause damage deformation case. crimp terminals more than thickness. Otherwise, they will interfere with other components inside case. [Reference] crimp terminals shown below more than thick. Manufacturer J.S.T. Mfg. Type FN0.5-3.7 Type) N0.5-3.7 (Straight Type)
D4N-91@@ (1NC/1NO (SNAP))
(Terminal No.)
Applicable socket: XS2F (OMRON). Refer Connector Catalog details socket numbers lead wire colors.
Socket Tightening (Connector Type)
Turn socket connector screws hand tighten until space remains between socket plug. Make sure that socket connector tightened securely. Otherwise, rated degree protection (IP67) maintained vibration loosen socket connector.
dia.: dia.:
dia.
dia.
Crimp terminal
Terminal screw
Conduit Opening
Connect recommended connector opening conduit tighten connector specified torque. case damaged excessive tightening torque applied. When using 1/2-14NPT, wind sealing tape around joint between connector conduit opening that enclosure will conform IP67. cable with suitable diameter connector. Attach tighten conduit unused conduit opening when wiring. Tighten conduit specified torque. conduit provided with Switch (2-conduit types).
Correct
Incorrect
Changing Lever
lever mounting screws used lever position position angle increments. Grooves incised lever rotary shaft that engage prevent lever from slipping against rotary shaft. screws adjustable roller lever models also loosened change length lever. Remove screws from front lever before mounting lever reverse (front/back), level that operation will completed before exceeding range horizontal.
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Recommended Connectors
connectors with screws exceeding otherwise screws will protrude into case interior, interfering with other components case. connectors listed following table have connectors with thread sections exceeding recommended connectors ensure conformance IP67. Size G1/2 Pg13.5 1/2-14NPT Manufacturer LAPP LAPP LAPP LAPP Model ST-PF1/2 5380-1002 ST-13.5 5301-5030 ST-M20 5311-1020 ST-NPT1/2 5301-6030 Applicable cable diameter 12.0 12.0 13.0 12.0
LAPP connectors together with seal packing (JPK-16, GP-13.5, GPM20), tighten specified tightening torque. Seal packing sold separately. LAPP German manufacturer. Before using 2-conduit 1/2-14NPT type, attach provided changing adaptor Switch then connect recommended connector.
Others
When attaching cover, sure that seal rubber place that there foreign material present. cover attached with seal rubber place foreign material stuck rubber, proper seal will obtained. screws connect cover other than specified ones. seal characteristics reduced. Make sure that foreign particles enter head when removing screws from four corners change head position four directions. following recommended countermeasures prevent telegraphing when using adjustable long levers. Make rear edge smooth with angle make shape quadratic curve. Design circuit that error signal will generated.
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Production Discontinuation
Following release D4N, production D4D-N discontinued.
Date Production Discontinuation
Production D4D-N Series discontinued March 2006.
Comparison with Discontinued Products
Item Switch color Dimensions Wiring/connection Mounting method Ratings/performance Operating characteristics Operating method Model Very similar Very similar Significantly different Completely compatible Very similar Very similar Completely compatible
Recommended Substitute Product
Sales series commenced January 2004.
Product Substitution
Dimensions D4D-N same mounting method, mounting hole. multi-contact structure extra length, however, different. Terminal Numbers 2-contact slow-action model, terminals D4D-N D4N. Recommended Terminals recommended terminals used, Switch compatible. Make sure that Switch compatible with terminals.
Dimensions (Unit:
Discontinued Product (1-conduit Plunger-type D4D-N)
dia. ±0.1
Recommended Substitute Product (1-conduit Plunger-type D4N)
25±0.1
Two, ±0.05 dia. holes dia.
Two, ±0.05 dia. holes dia.
6-dia. resin plunger
6-dia. resin plunger
9±0.2 20±0.1 22±0.1
(31.5) 21.5 11±0.2
2.15±0.05R mounting holes
47±0.2
2.15±0.05R mounting holes
max.
Two, 4+0.15 dia. holes depth:
22±0.2 max.
Conduit
14.2
Two, 4+0.15 dia. holes depth:
Discontinued product (2-conduit Plunger-type D4D-N)
Two, ±0.05 dia. holes depth:
Recommended Substitute Product (2-conduit Plunger-type D4N)
25±0.1
dia. dia.
Two, ±0.05 dia. holes dia.
6-dia. resin plunger
20±0.1 22±0.1 40±0.1 42±0.1 9±0.2 39±0.2 dia.
(31.5) 21.5 11±0.2
dia.
2.15±0.05R mounting holes
Conduit
20.5
2.15±0.05R mounting holes
42±0.2 max.
max.
Two, 4+0.15 dia. holes depth:
14.2 Two, 4+0.15 dia. holes
depth:
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List Recommended Substitute Products
actuator D4D-N non-safety type. recommended safety applications (form lock type). sure mount correctly. screws recommended comply with European standards. Therefore, type recommended substitute when Pg13.5 conduit-type available model.
Safety Limit Switches
Discontinued product D4D-1120N D4D-2120N D4D-3120N D4D-5120N D4D-6120N D4D-1122N D4D-2122N D4D-3122N D4D-5122N D4D-6122N D4D-1125N D4D-2125N D4D-3125N D4D-1131N D4D-2131N D4D-3131N D4D-5131N D4D-6131N D4D-1132N D4D-2132N D4D-3132N D4D-5132N D4D-6132N D4D-1162N D4D-2162N D4D-3162N D4D-5162N D4D-6162N D4D-1172N D4D-2172N D4D-3172N D4D-5172N D4D-6172N D4D-112HN D4D-212HN D4D-312HN Recommended substitute product D4N-1120 D4N-2120 D4N-3120 D4N-5120 D4N-6120 D4N-1122 D4N-2122 D4N-3122 D4N-5122 D4N-6122 D4N-1125 D4N-2125 D4N-3125 D4N-1131 D4N-2131 D4N-3131 D4N-5131 D4N-6131 D4N-1132 D4N-2132 D4N-3132 D4N-5132 D4N-6132 D4N-1162 D4N-2162 D4N-3162 D4N-5162 D4N-6162 D4N-1172 D4N-2172 D4N-3172 D4N-5172 D4N-6172 D4N-112H D4N-212H D4N-312H Discontinued product D4D-1520N D4D-2520N D4D-3520N D4D-5520N D4D-6520N D4D-1522N D4D-2522N D4D-3522N D4D-5522N D4D-6522N D4D-1525N D4D-2525N D4D-3525N D4D-1531N D4D-2531N D4D-3531N D4D-5531N D4D-6531N D4D-1532N D4D-2532N D4D-3532N D4D-5532N D4D-6532N D4D-1562N D4D-2562N D4D-3562N D4D-5562N D4D-6562N D4D-1572N D4D-2572N D4D-3572N D4D-5572N D4D-6572N D4D-152HN D4D-252HN D4D-352HN Recommended substitute product D4N-1A20 D4N-2A20 D4N-3A20 D4N-5A20 D4N-6A20 D4N-1A22 D4N-2A22 D4N-3A22 D4N-5A22 D4N-6A22 D4N-1A25 D4N-2A25 D4N-3A25 D4N-1A31 D4N-2A31 D4N-3A31 D4N-5A31 D4N-6A31 D4N-1A32 D4N-2A32 D4N-3A32 D4N-5A32 D4N-6A32 D4N-1A62 D4N-2A62 D4N-3A62 D4N-5A62 D4N-6A62 D4N-1A72 D4N-2A72 D4N-3A72 D4N-5A72 D4N-6A72 D4N-1A2H D4N-2A2H D4N-3A2H Discontinued product D4D-1A20N D4D-2A20N D4D-3A20N D4D-5A20N D4D-6A20N D4D-1A22N D4D-2A22N D4D-3A22N D4D-5A22N D4D-6A22N D4D-1A25N D4D-2A25N D4D-3A25N D4D-1A31N D4D-2A31N D4D-3A31N D4D-5A31N D4D-6A31N D4D-1A32N D4D-2A32N D4D-3A32N D4D-5A32N D4D-6A32N D4D-1A62N D4D-2A62N D4D-3A62N D4D-5A62N D4D-6A62N D4D-1A72N D4D-2A72N D4D-3A72N D4D-5A72N D4D-6A72N D4D-1A2HN D4D-2A2HN D4D-3A2HN Recommended substitute product D4N-1B20 D4N-2B20 D4N-3B20 D4N-5B20 D4N-6B20 D4N-1B22 D4N-2B22 D4N-3B22 D4N-5B22 D4N-6B22 D4N-1B25 D4N-2B25 D4N-3B25 D4N-1B31 D4N-2B31 D4N-3B31 D4N-5B31 D4N-6B31 D4N-1B32 D4N-2B32 D4N-3B32 D4N-5B32 D4N-6B32 D4N-1B62 D4N-2B62 D4N-3B62 D4N-5B62 D4N-6B62 D4N-1B72 D4N-2B72 D4N-3B72 D4N-5B72 D4N-6B72 D4N-1B2H D4N-2B2H D4N-3B2H
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General-purpose Limit Switches
Discontinued product D4D-1121N D4D-2121N D4D-3121N D4D-5121N D4D-6121N D4D-1127N D4D-2127N D4D-3127N D4D-5127N D4D-6127N D4D-1180N D4D-2180N D4D-3180N D4D-5180N D4D-6180N D4D-1187N D4D-2187N D4D-3187N D4D-5187N D4D-6187N Recommended substitute product D4N-112G D4N-212G D4N-312G D4N-512G D4N-612G D4N-112H D4N-212H D4N-312H D4N-512H D4N-612H D4N-4180 D4N-2180 D4N-3180 D4N-8180 D4N-6180 D4N-4187 D4N-2187 D4N-3187 D4N-8187 D4N-6187 Discontinued product D4D-15REN D4D-25REN D4D-35REN D4D-55REN D4D-65REN D4D-15LEN D4D-25LEN D4D-35LEN D4D-55LEN D4D-65LEN D4D-1521N D4D-2521N D4D-3521N D4D-5521N D4D-6521N D4D-1527N D4D-2527N D4D-3527N D4D-5527N D4D-6527N Recommended substitute product D4N-1ARE D4N-2ARE D4N-3ARE D4N-5ARE D4N-6ARE D4N-1ALE D4N-2ALE D4N-3ALE D4N-5ALE D4N-6ALE D4N-1A2G D4N-2A2G D4N-3A2G D4N-5A2G D4N-6A2G D4N-1A2H D4N-2A2H D4N-3A2H D4N-5A2H D4N-6A2H Discontinued product D4D-1AREN D4D-2AREN D4D-3AREN D4D-5AREN D4D-6AREN D4D-1ALEN D4D-2ALEN D4D-3ALEN D4D-5ALEN D4D-6ALEN D4D-1A21N D4D-2A21N D4D-3A21N D4D-5A21N D4D-6A21N D4D-1A27N D4D-2A27N D4D-3A27N D4D-5A27N D4D-6A27N D4D-1A80N D4D-2A80N D4D-3A80N D4D-5A80N D4D-6A80N D4D-1A87N D4D-2A87N D4D-3A87N D4D-5A87N D4D-6A87N Recommended substitute product D4N-1BRE D4N-2BRE D4N-3BRE D4N-5BRE D4N-6BRE D4N-1BLE D4N-2BLE D4N-3BLE D4N-5BLE D4N-6BLE D4N-1B2G D4N-2B2G D4N-3B2G D4N-5B2G D4N-6B2G D4N-1B2H D4N-2B2H D4N-3B2H D4N-5B2H D4N-6B2H D4N-4B80 D4N-2B80 D4N-3B80 D4N-8B80 D4N-6B80 D4N-4B87 D4N-2B87 D4N-3B87 D4N-8B87 D4N-6B87
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Precautions Safety Limit Switches
Note: Refer "Safety Precautions" section each Switch specific precautions applicable each Switch.
Precautions Safe
Switch atmospheres containing explosive flammable gases. Although switch protected from dust water penetration, head protected from minute foreign matter water penetration. Ensure that minute foreign matter water penetrate head. Failure result accelerated wear, Switch damage, malfunctioning. durability Switch varies considerably depending switching conditions. Always confirm usage conditions using Switch actual application, Switch only number switching operations that performance allows. Switch stopper. Switch startup circuit. instead safety confirmation signal. Check Switches before inspect regularly, replacing them when necessary. Switch kept pressed extended period time, components deteriorate quickly, Switch release. protect Switch from damage short-circuits, sure connect quick-response fuse with breaking current times larger than rated current series with Switch. When complying with certified ratings, 60269compliant fuse. drop Switch. Doing prevent from functioning full capacity. disassemble modify Switch. Doing prevent from operating correctly.
Operating force
Stroke
Contact force
Changes opposite side Changes opposite side Stroke
Limit Switch used that actuator constantly pressed, will fail quickly reset faults occur. Inspect Limit Switch periodically replace required.
Operation
Carefully determine proper that actuator will abruptly snap back, thus causing shock. order operate Limit Switch comparatively high speed, with long enough stroke that keeps Limit Switch turned sufficient time that relay valve will sufficiently energized. operating method, shape cam, operating frequency, travel after operation have large influence durability operating accuracy Limit Switch. must smooth shape.
Precautions Correct Mechanical Characteristics
Operating Force, Stroke, Contact Characteristics
following graph indicates relationship between operating force stroke stroke contact force. order operate Limit Switch with high reliability, necessary Limit Switch within appropriate contact force range. Limit Switch used normally closed condition, must installed that actuator will return when actuator actuated object. Limit Switch used normally open condition, actuator must pressed 100% (i.e., slight fluctuation must absorbed actuator. full stroke close contact instability result. full stroke TTP, actuator switch become damaged inertia dog. that case, adjust stroke with mounting panel dog. Refer page C-2, Design, page C-3, Stroke Settings Movement Distance, page C-3, Surface details. following graph shows example changes contact force according stroke. contact force near unstable, Limit Switch cannot maintain high reliability. Furthermore, Limit Switch cannot withstand strong vibration shock.
Incorrect
Correct
Snapped back Abruptly actuated
Incorrect
Correct
Snapped back Abruptly actuated
Appropriate force must imposed actuator another object both rotary operation linear operation. object touches lever shown below, operating position will stable. Incorrect Correct
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Precautions Safety Limit Switches
Unbalanced force must imposed actuator. Otherwise, wear tear actuator result.
Operating Environment
These Switches indoor applications. Switches fail they used outdoors. Switch locations where toxic gases, such H2S, SO2, NH3, HNO3, Cl2, present, locations that subject high temperatures humidity. Doing damage Switch contact failure corrosion. Switches following locations. Locations subject severe temperature changes Locations subject high temperatures condensation Locations subject severe vibration Locations where interior Protective Door come into direct contact with cutting chips, metal filings, oil, chemicals Locations where Switch come into contact with thinner detergents Locations where explosive flammable gases present
Incorrect
Correct
Roller
Roller
Make sure that actuator does exceed (overtravel) range, otherwise Limit Switch malfunction. When mounting Limit Switch, sure adjust Limit Switch carefully while considering whole movement actuator.
(Pretravel) Install stopper. (Free position) (Operating position) (Overtravel) (Total travel position) Optimum setting range Distance optimum setting range.
Switch Contacts
Switch contacts used with both standard loads microloads, once contact been used switch standard load, cannot used load smaller capacity. Doing result roughening contact surface contact reliability lost.
100% rated rated
Storing Switches
store Switch locations where toxic gases, such H2S, SO2, NH3, HNO3, Cl2, present, locations that subject excessive dirt, excessive dust, high temperature, high humidity.
Other Precautions
Reference line
Limit Switch soon malfunction excessive. Therefore, adjustments careful consideration position Limit Switch expected actuator necessary when mounting Limit Switch.
Correct
When attaching cover, sure that seal rubber place that there foreign material present. cover attached with seal rubber place foreign material stuck rubber, proper seal will obtained. Perform maintenance inspections periodically. Switch with load current that does exceed rated current. screws connect cover other than specified ones. seal characteristics reduced.
Stopper
Design
Operating Speed, Angle, Relationship with Actuator
Before designing dog, carefully consider operating speed angle their relationship with shape actuator. optimum operating speed standard angle maximum.
sure Limit Switch according characteristics actuator. roller lever actuator used, attempt actuate Limit Switch direction shown below.
Incorrect
Roller Lever Models
Non-overtravel
speed: max. (Standard Speed)
modify actuator change case long actuator adjustable roller lever type, following countermeasures against lever shaking recommended. Make rear edge object smooth with angle make shape quadratic curve. Design circuit that error signal will generated. switch that actuated direction only. (Also, switch operation direction only.)
Lever vertically
max. (m/s) 0.25 0.05 (low speed)
(TT) totaltravel
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Precautions Safety Limit Switches
speed:
(High Speed)
Stroke Settings Movement Distance
following provides information stroke settings based movement distance instead actuator angle. following optimum stroke Limit Switch. Optimum stroke: {Rated (0.7 1.0)} angle converted from above:
Change lever angle according angle
max. (m/s)
(TT) (TT)
100% rated
Note: above values indicate ratio ranges based (total travel). Therefore, optimum pressing distance between 70%). Overtravel
Pretravel Overtravel
speed: max.
movement distance based optimum stroke expressed following formula. Movement distance
Lever vertically
max. (m/s) 0.25 0.05 (low speed)
(TT) total travel
speed: min.
speed overtravel comparatively high, make rear edge object smooth angle make shape quadratic curve. Then lever shaking will reduced.
angle Optimum stroke angle Actuator length movement distance
distance between reference line bottom based optimum stroke expressed following formula.
max.
max. (m/s)
(TT) (TT)
Reference line Mounting hole
Note: above values indicate ratio ranges based (total travel). Therefore, optimum pressing distance between 70%).
Plunger Models
overrides actuator, front rear same shape, provided that designed separated from actuator abruptly.
Distance between reference line actuator fulcrum Roller radius Distance between reference line bottom
Surface
surface touching actuator should quality hardened approximately HV450. smooth operation actuator, apply molybdenum disulfide grease actuator touching actuator.
Roller Plunger
Others
When using Limit Switch with long lever long lever, make sure that lever downward direction.
max. (m/s) 0.25
(TT) (TT)
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Precautions Safety Limit Switches
With roller actuator, must touch actuator right angle. actuator roller deform break touches actuator (roller) oblique angle.
Incorrect
Correct
remove Head. Switch fail.
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Precautions Switches
Refer Safety Precautions section each Switch specific precautions applicable each Switch.
Precautions Safe
Switch used switch emergency stop circuit safety circuit preventing accidents resulting injuries deaths, Switch with direct opening mechanism, contacts with forced release mechanism, Switch that will operate direct opening mode. safety, install Switch using one-way rotational screws other similar means prevent from easily being removed. Protect Switch with appropriate cover post warning sign near Switch ensure safety. perform wiring while power being supplied. Wiring while power being supplied result electric shock. Keep electrical load below rated value. sure evaluate Switch under actual working conditions after installation. touch charged Switch terminals while Switch carry current, otherwise electric shock received. Switch ground terminal, sure connect ground terminal ground wire. durability Switch greatly varies with switching conditions. Before using Switch, sure test Switch under actual conditions. Make sure that number switching operations within permissible range. deteriorated Switch used continuously, insulation failures, contact welding, contact failures, Switch damage, Switch burnout result. Maintain appropriate insulation distance between wires connected Switch. Some types load have great difference between normal current inrush current. Make sure that inrush current within permissible value. greater inrush current closed circuit greater contact abrasion shift will Consequently, contact welding, contact separation failures, insulation failures result. Furthermore, Switch become broken damaged.
Mounting
modify Actuator, otherwise operating characteristics performance Actuator will change. enlarge mounting holes Switch modify Switch, otherwise insulation failures, housing damage, human accidents result. apply oil, grease, other lubricants moving parts Actuator, otherwise Actuator operate correctly. Furthermore, ingress oil, grease, other lubricants inside Switch reduce sliding characteristic cause failures Switch. Mount Switch secure with specified screws tightened specified torque along with flat spring washers. sure wire Switch that conduit opening free metal powder other impurities. glue bonding agent applied, make sure that does adhere movable parts enter Switch, otherwise Switch work correctly cause contact failure. Some types glue bonding agent generate that have negative influence Switch. utmost attention when selecting glue locking agent. Some models allow changes head direction. When changing head such model, make sure that head free foreign substance. Tighten each screw head rated torque. sure take measures that foreign material, oil, water will enter Switch through conduit opening. sure attach connector suitable cable thickness tighten connector securely rated torque. impose shock vibration Actuator while fully pressed. Otherwise, Actuator will partially abrade actuation failure result.
(Inrush current)
(Constant current)
user must attempt repair maintain Switch must contact machine manufacturer repairs maintenance. attempt disassemble modify Switch. Doing cause Switch malfunction. drop Switch. Doing result Switch performing full capability.
Wiring
utmost attention that each terminal wired correctly. terminal wired incorrectly, Switch will function. Furthermore, only will Switch have negative influence external circuit, Switch itself become damaged burnt.
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Precautions Switches
Precautions Correct Switch Operation
Switch actual operation cause accidents that cannot foreseen from design stage. Therefore, Switch must practically tested before actual use. When testing Switch, sure apply actual load conditions together with actual operating environment. performance ratings this catalog provided under following conditions unless otherwise specified. Inductive load:A minimum power factor (AC) maximum time constant (DC) Lamp load: Motor load: inrush current times higher than normal current inrush current times higher than normal current load inductive, counter-electromotive voltage will generated. higher voltage higher generated energy will which will increase abrasion contacts contact relocation load conditions. sure Switch within rated conditions. load minute voltage current load, Switch designed minute loads. reliability silver-plated contacts, which used standard Switches, will insufficient load minute voltage current load.
Connections
With contact form, contact single Switch power supplies that different polarity type. Power Connection Examples
(Connection Different Polarities)
Ambient temperature: Ambient humidity: 70%. Note: inductive load causes problem especially circuitry. Therefore, essential know time constants (L/R) load.
Incorrect Power Connection Example
(Connection Different Power Supplies) There risk mixing.
Incorrect
Incorrect
Solenoids (Approximately times higher)
Incandescent lamps (Approximately times higher)
Motors (Approximately times higher) Relays (Approximately times higher)
Correct
Connect load same polarities.
Mechanical Conditions Switch Selection
Actuator suitable operating method must selected. your OMRON representative details. Check operating speed switching frequency. operating speed extremely low, switching movable contact will become unstable, thus resulting incorrect contact contact welding. operating speed extremely high, Switch break shock. switching frequency high, switching contacts cannot keep with switching frequency. Make sure that switching frequency within rated switching frequency. impose excessive force Actuator, otherwise Actuator become damaged operate correctly. Make sure that stroke within suitable range specified model, otherwise Switch break.
circuit that will short-circuit fault occurs, otherwise charged part melt break off.
Incorrect
Electrical Characteristics Switch Selection
Electrical Conditions
switching load capacity Switch greatly varies between Always sure apply rated load. control capacity will drastically drop load. This because load current zero-cross point, unlike load. Therefore, generated, continue comparatively long time. Furthermore, current direction always same, which results contact relocation, whereby contacts easily stick each other separate when surfaces contacts uneven.
Application Switch Low-voltage, Low-current Electronic Circuit. bouncing chattering contacts results causes problems, take following countermeasures. Insert integral circuit. Suppress generation pulses from contact bouncing chattering contacts that less than noise margin load. Conventional silver-plated contacts suitable this application, which particularly high reliability required. gold-plated contacts, which ideal handling minute voltage current loads. contacts Switch used emergency stop must normally closed with positive opening mechanism. protect Switch from damage short-circuits, sure connect series quick-response fuse with breaking current times larger than rated current Switch. When complying with certified ratings, 10-A 60269compliant fuse.
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Precautions Switches
Contact Protection Circuits
Using contact protection circuit increase contact durability, prevent noise, suppress generation carbide nitric acid. sure apply contact protection circuit correctly, otherwise adverse results occur. following tables shows typical examples contact protection circuits. Switch used excessively humid location switching load that easily generates arcs, such inductive load, arcs generate NOx, which will change into HNO3 when reacts with moisture. Consequently, internal metal parts corrode Switch fail. sure select best contact protection circuit from following table.
Typical Examples Contact Protection Circuits
Circuit example Applicable current following guides values: contact current contact voltage These values depend various factors, including load characteristics. Confirm optimum values experimentally. Capacitor suppresses discharge when operating time contacts will contacts opened, while resistor increased load Relay solenoid. Connecting circuit parallel load limits current applied when effective when power supply voltage contacts closed next time. parallel contacts when Generally, capacitor with dielectric strength power supply voltage applications circuit, capacitor (with polarity). Load impedance must much smaller than circuit impedance when using Switch voltage. energy stored coil reaches coil current diode connected parallel, dissipated Joule heat resistance inductive load. This type circuit increases release time more than type. diode having reverse breakdown voltage more than times circuit voltage, forward current rating greater than load current. Features remarks Element selection
Power supply
Inductive load
(Yes)
Power supply
Inductive load
Diode
Power supply
Inductive load
Diode Zener diode
Power supply
Inductive load
This circuit effectively shortens reset time Zener diode with breakdown applications where release time diode voltage. circuit slow. This circuit prevents high voltage from being applied across contacts using constant-voltage characteristic varistor. This circuit also somewhat increases reset time. Connecting varistor across load effective when supply voltage across contacts when supply voltage
Varistor
Power supply
Inductive load
following types contact protection circuit.
This circuit arrangement very effective diminishing arcing contacts when breaking circuit. However, since electrical energy stored (capacitor) when contacts open, current from flows into contacts when they close. This lead contact welding. This circuit arrangement very useful diminishing arcing contacts when breaking circuit. However, since charging current flows into contacts when they closed, contact welding occur.
Power supply
Load
Power supply
Load
Although thought that switching inductive load more difficult than resistive load, appropriate contact protection circuit achieve almost same characteristics.
Using Switches Microloads
Contact failure occur Switch general load used switch microload circuit. Switches ranges shown diagram right. However, even when using microload models within operating range shown here, inrush current occurs when contact opened closed, increase contact wear decrease durability. Therefore, insert contact protection circuit where necessary. minimum applicable load N-level reference value. This value indicates malfunction reference level reliability level (JIS C5003). equation, 6/operations indicates that estimated malfunction rate less than 1/2,000,000 operations with reliability level 60%.
Voltage (VDC) 0.16
Operating range micro-load models
Operating range standard models
Unusable range
1,000 Current (mA)
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Precautions Switches
Operating Environment
Switches designed indoors. Using Switch outdoors cause malfunction. Switch submerged water, locations continuously subject splashes water. Doing result water entering Switch interior. Confirm suitability (applicability) advance before using Switch where would subject oil, water, chemicals, detergents. Contact with these result contact failure, insulation failure, earth leakage faults, burning. Switch following locations: Locations subject corrosive gases Locations subject severe temperature changes Locations subject high humidity, resulting condensation Locations subject severe vibration Locations subject cutting chips, dust, dirt Locations subject high humidity high temperature protective covers protect Switches that specified waterproof airtight whenever they used locations subject splattering spraying water, accumulation dust dirt. Make sure install Switch locations free vibration shock. vibration shock continuously imposed Switch, contact failure, malfunction, decrease service life caused abrasive powder generated from internal parts. excessive vibration shock imposed Switch, contacts malfunction become damaged. Switch with silver-plated contacts long periods switching frequency Switch comparatively load minute. Otherwise, sulfuric film will generated contacts contact failures result. Switch with gold-plated contacts Switch designed minute loads instead. Switch locations with corrosive gas, such sulfuric (H2S SO2), ammonium (NH3), nitric (HNO3), chlorine (Cl2), high temperature humidity. Otherwise, contact failure corrosion damage result. Switch used locations with silicone gas, energy create silicon dioxide (SiO2) contacts contact failure result. there silicone oil, silicone sealant, wire covered with silicone close Switch, attach contact protection circuit suppress arcing Switch eliminate source silicone generation.
Incorrect
Correct
Regular Inspection Replacement
Switch normally closed with switching frequency (e.g., once less day), reset failure result deterioration parts Switch. Regularly inspect Switch make sure that Switch good working order. addition mechanical durability electrical durability Switch described previously, durability Switch decrease deterioration each part, especially rubber, resin, metal. Regularly inspect Switch replace part that deteriorated prevent accidents from occurring. Switch turned long period time, contact reliability reduced contact oxidation. Continuity failure result accidents (i.e., switch turn increased contact resistance.) sure mount Switch securely clean location ensure ease inspection replacement. Switch with operation indicator available, which ideal location dark does allow easy inspection replacement.
Terminal
Terminal
sure install Switch that Switch free from dust metal powder. Actuator Switch casing must protected from accumulation dust metal powder.
Incorrect
Correct
Switch locations where Switch exposed steam water temperature greater than Switch under temperatures other environmental conditions within specified ranges. rated permissible ambient temperature range varies with model. Refer Specifications this catalog. Switch exposed radical temperature changes, thermal shock deform Switch Switch malfunction.
Incorrect
Difficult inspect install Easy inspect
Correct
Incorrect
Correct
Separate Switch from heat sources
cover must located direction ensuring ease maintenance inspection.
Storage Switch
When storing Switch, make sure that location free corrosive gas, such H2S, SO2, NH3, HNO3, Cl2, dust does have high temperature humidity. sure inspect Switch before been stored three months more.
sure protect Switch with cover Switch location where Switch actuated mistake where Switch likely cause accident.
Incorrect
Correct
Prevent false operation
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Precautions Switches
Typical Problems, Probable Causes, Remedies
Problem Probable cause shape incorrect. contacting surface rough. Actuator suitable. Actuator does operate. Actuator does return. Actuator been deformed. Actuator worn. Actuator been damaged. Mechanical failure operating direction Actuator correct. operation speed excessively high. Excessive stroke. rubber grease hardened temperature. accumulation sludge, dust, cuttings. Dissolution, expansion, swelling damage rubber parts driving mechanism. Damage wear tear internal movable spring. Wear tear internal mechanism. loosening mounting screws causing position unstable. Overheating long soldering time. terminal part wobbles (The mold part been deformed). Switch been connected pulled thick lead wires with excessive force. High temperature thermal shock resulted. Vibration shock beyond rated value. Contact chattering. Shock been generated from device other than Switch. Too-slow operating speed. sealing part been tightened sufficiently. wrong connector been selected does conform cable. water penetration. wrong Switch been selected. terminal part molded. Failures related chemical physical characteristics Deterioration rubber part. Switch been burnt carbonated penetration dust oil. expansion dissolution rubber caused solvent lubricating oil. Cracks direct sunlight ozone. Damage rubber caused scattered heated cuttings. oxidation metal parts resulted corrosive solvent lubricating oil. Switch been operated corrosive environment, near sea, board ship. Corrosion (rusting cracks). electrical deterioration metal parts Switch resulted ionization cooling water lubricating oil. cracking alloyed copper rapid changes temperature. Inductive interference circuit. Carbon generated surface contacts switching operations. Failures actuation. related current breakage. electric Contact welding. characteristics short-circuit contact welding contact migration. Contact welding incorrectly connected power source. Foreign materials penetrated into contact area. erasing circuit. Switch with special alloy contact sealed Switch. Reduce switching frequency Switch with large switching capacity. Change circuit design. protective box. Change lubricating change mounting positions. crack-resistant material. oil-resistant rubber Teflon bellows. weather-resistant rubber protective cover. Switch with metal bellows protective cover. drip-proof waterproof Switch. correct connector cable. Remedy Change design smooth contacting surface cam. Scrutinize suitability Actuator. (Make sure that Actuator does bounce.) Attach decelerating device change mounting position Switch. Change stroke. cold-resistive Switch. drip-proof model with high degree protection. protection cover change solvent materials. Regularly inspect Switch. better quality Switch. Tighten mounting screws securely. mounting board. Solder Switch quickly. Change lead wire according carry current ratings. temperature-resistive Switch change mounting positions. Attach anti-vibration mechanism. Attach rubber circuit solenoid. Increase operating speed (with accelerating mechanism).
There large deviation operating position (with malfunctioning involved).
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Precautions Switches
Other
standard material Switch seal nitrile rubber (NBR), which superior resistance oil. Depending type chemicals application environment, however, deteriorate, e.g., swell shrink. Confirm performance advance. correct Switch must selected load ensure contact reliability. Refer Precautions microloads individual product information details. Wire leads shown following diagram.
Correct Wiring
Crimped location facing Lead Crimp terminal Terminal screw
Correct
Terminal screw
Terminal
Terminal
Incorrect Wiring
Crimped location facing down Lead Crimp terminal Terminal screw
Incorrect
Terminal screw
Terminal
Terminal close maintain dielectric strength
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C-10
WARNING
This catalog guide help customers select proper safety products. Observe following items when choosing products, select right products your devices equipment, develop safety-related system fully utilize product functions. Setting Risk Assessment System items listed this catalog must used properly terms product location well product performance functionality. Part process selecting using these products should include introduction development risk assessment system early design development stage help identify potential dangers your equipment that will optimize safety product selection. badly designed risk assessment system often results poor choices when comes safety products. Related International Standards: 14121 Principles Risk Assessment Safety Policy When developing safety system devices equipment that safety products, make every effort understand conform entire series international industrial standards available, such examples given below. Related International Standards: 12100 Basic Concepts, General Principles Design 61508 Functional Safety Electronic Safety-related Systems Role Safety Products Safety products have functions mechanisms that ensure safety defined standards. These functions mechanisms designed attain their full potential within safety-related systems. Make sure fully understand functions mechanisms, that understanding develop systems that will ensure optimal usage. Related International Standards: 14119 Interlocking Devices Associated with Guards-Principles Design Selection Installing Safety Products Make sure that properly educated trained engineers selected develop your safety-related system install safety products devices equipment. Related International Standards: 12100 Basic Concepts, General Principles Design 61508 Functional Safety Electronic Safety-related Systems Observing Laws Regulations Safety products should conform pertinent laws, regulations, standards, make sure that they used accordance with laws, regulations, standards country where devices equipment incorporating these products distributed. Related International Standards: 60204 Electrical Equipment Machines Observing Usage Precautions Carefully read specifications precautions listed this catalog your product well items Operating Manual packed with product learn usage procedures that will optimize your choice. deviation from precautions will lead unexpected device equipment failure anticipated safety-related systems fire originating from equipment failure. Transferring Devices Equipment When transferring devices equipment, sure keep copy Operating Manual pack another copy with device equipment person receiving will have problem operating Related International Standards: 12100 Basic Concepts, General Principles Design 61508 Functional Safety Electronic Safety-related Systems
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Read Understand This Catalog
Please read understand this catalog before purchasing products. Please consult your OMRON representative have questions comments.
Warranty Limitations Liability
WARRANTY
OMRON's exclusive warranty that products free from defects materials workmanship period year other period specified) from date sale OMRON. OMRON MAKES WARRANTY REPRESENTATION, EXPRESS IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, FITNESS PARTICULAR PURPOSE PRODUCTS. BUYER USER ACKNOWLEDGES THAT BUYER USER ALONE DETERMINED THAT PRODUCTS WILL SUITABLY MEET REQUIREMENTS THEIR INTENDED USE. OMRON DISCLAIMS OTHER WARRANTIES, EXPRESS IMPLIED.
LIMITATIONS LIABILITY
OMRON SHALL RESPONSIBLE SPECIAL, INDIRECT, CONSEQUENTIAL DAMAGES, LOSS PROFITS, COMMERCIAL LOSS CONNECTED WITH PRODUCTS, WHETHER SUCH CLAIM BASED CONTRACT, WARRANTY, NEGLIGENCE, STRICT LIABILITY. event shall responsibility OMRON exceed individual price product which liability asserted. EVENT SHALL OMRON RESPONSIBLE WARRANTY, REPAIR, OTHER CLAIMS REGARDING PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, MAINTAINED SUBJECT CONTAMINATION, ABUSE, MISUSE, INAPPROPRIATE MODIFICATION REPAIR.
Application Considerations
SUITABILITY
OMRON shall responsible conformity with standards, codes, regulations that apply combination products customer's application product. customer's request, OMRON will provide applicable third party certification documents identifying ratings limitations that apply products. This information itself sufficient complete determination suitability products combination with product, machine, system, other application use. following some examples applications which particular attention must given. This intended exhaustive list possible uses products, intended imply that uses listed suitable products: Outdoor use, uses involving potential chemical contamination electrical interference, conditions uses described this catalog. Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, installations subject separate industry government regulations. Systems, machines, equipment that could present risk life property. Please know observe prohibitions applicable products. NEVER PRODUCTS APPLICATION INVOLVING SERIOUS RISK LIFE PROPERTY WITHOUT ENSURING THAT SYSTEM WHOLE BEEN DESIGNED ADDRESS RISKS, THAT OMRON PRODUCT PROPERLY RATED INSTALLED INTENDED WITHIN OVERALL EQUIPMENT SYSTEM.
Disclaimers
CHANGE SPECIFICATIONS
Product specifications accessories changed time based improvements other reasons. practice change model numbers when published ratings features changed, when significant construction changes made. However, some specifications product changed without notice. When doubt, special model numbers assigned establish specifications your application your request. Please consult with your OMRON representative time confirm actual specifications purchased product.
DIMENSIONS WEIGHTS
Dimensions weights nominal used manufacturing purposes, even when tolerances shown.
ERRORS OMISSIONS
information this catalog been carefully checked believed accurate; however, responsibility assumed clerical, typographical, proofreading errors, omissions.
PERFORMANCE DATA
Performance data given this catalog provided guide user determining suitability does constitute warranty. represent result OMRON's test conditions, users must correlate actual application requirements. Actual performance subject OMRON Warranty Limitations Liability.
PROGRAMMABLE PRODUCTS
OMRON shall responsible user's programming programmable product, consequence thereof.
COPYRIGHT COPY PERMISSION
This catalog shall copied sales promotions without permission. This catalog protected copyright intended solely conjunction with product. Please notify before copying reproducing this catalog manner, other purpose. copying transmitting this catalog another, please copy transmit entirety.
2007.
OMRON Corporation
Industrial Automation Company
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interest product improvement, specifications subject change without notice.
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