AC/DC under current (closed circuit) metering relay Measuring through
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Current Voltage Controls 1-Phase AC/DC Under Current (Shunt) Type
AC/DC under current (closed circuit) metering relay Measuring through external shunt 3-position rotary switch selection measuring range Measuring range: 10-50 12-60 30-150 20-100 24-120 60-300 Adjustable limit relative scale Adjustable time function (0.1-10 Adjustable hysteresis Output: SPDT mounting DIN-rail accordance with DIN/EN 22.5 Euronorm housing LED-indication relay power supply Galvanically separated power supply
precise AC/DC under current (shunt) metering relay. Measures voltage externally connected standard shunt also high current applications. built-in LED's indicate exact status output relay.
Ordering
Housing Function Type Output Power supply
Type Selection
Mounting DIN-rail Output SPDT Measuring range Supply: Supply: Supply:
Input Specifications
Input Through terminals Through terminals Measuring ranges input: Rotary Switch Position input: Rotary Switch Position Max. line voltage Range Range Internal resist. Max. volt.
Output Specifications
Output Rated insulation voltage Contact ratings (AgCdO) Resistive loads Small inductive loads Mechanical life Electrical life SPDT relay (contact/elect.) (micro gap) operations operations max. load) 7200 operations/h
277/480 VAC/DC
Operating frequency Dielectric strength Dielectric voltage kVAC (rms) Rated impulse withstand volt. (1.2/50
Supply Specifications
Power supply Rated operational voltage Through term. Voltage interruption Dielectric voltage Rated impulse withstand voltage Rated operational power Overvoltage cat. (IEC 60664) (IEC 60038) ±15%, ±15%, ±15%, kVAC (rms) (1.2/50
Specifications subject change without notice
General Specifications
Power delay Power delay Reaction time worst case reaction time Adjustable delay release built-in (0.1-10 ±10% (DC/AC -1/+3 max. min. 0.2%/°C 0.11%/°F) LED, green LED, yellow -20° +50°C (-4° +122°F) -50° +85°C (-58° +185°F) Max. acc. 60947
Mode Operation
measures both current (voltage) through external standard shunt. Example relay operates when measured value exceeds level plus hysteresis. When voltage (current) drops below level more than delay, when power supply interrupted, relay releases. yellow flashing until delay expired, until measured value exceeds level plus hysteresis.
Accuracy Input delay Temperature drift Indication Power supply Output Environment Degree protection Pollution degree Operating temperature Storage temperature Weight Screw terminals Tightening torque Approvals
Range/Level/Time Setting
Upper knob: Setting current (voltage) range rotary switch. Centre knob: Level setting relative scale. Lower knob: Setting delay absolute scale (0.1-10 Hysteresis Normally hysteresis extended inserting resistor between terminals Approx. 10%: 25%: 50%: 75%: 100%:
Wiring Diagram
Example
Hysteresis adjustment
Operation Diagram
Power supply
level
Hysteresis
Relay
Specifications subject change without notice
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