Replacement Circuit Breakers with Solid State Trip Units, Volts

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Replacement Circuit Breakers with Solid State Trip Units, Volts

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MOLDED CASE CIRCUIT BREAKERS
Replacement Circuit Breakers
with Solid State Trip Units, Volts
REPLACEMENT CAPABILITIES, Continued
Type NCA, MARK Type HNC, HNCA SELTRONIC
Frame Only Poles Standard (Long Delay Short Time) Catalog Numbers Short Time Only Long Delay, Short Time Adjustable Short Delay Time (.08-.28 Seconds)
50/60 Complete Breaker Requires Frame, Rating Plug, Terminals
Types (800 1200 Amperes)
NC21200F NC31200F NC21200FM NC31200FM NCA21200F NCA31200F
Mark Types HNCA (800 1200 Amperes)
HNC21200F HNC31200F HNC21200FM HNC31200FM HNCA21200F HNCA31200F Volts
Type 1200 Molded Case Switch: Refer Page
Type NCG, NCGA, MARK Type HNCG, HNCGA SELTRONIC
with Built-in Ground Fault Protection
Complete Breaker Requires Frame, Rating Plug Terminals Extra Current Transformer Included Neutral page Optional Remote Ground Fault Trip Indicator
Frame Only Poles Standard (Long Delay, Short Time Ground Fault Trip) Catalog Numbers Long Delay, Short Time, Adjustable Short Delay Time, Ground Fault Trip Ground Fault Characteristics Pick-up Setting Amps Time Setting
Types NCGA (800 1200 Amperes)
NCG31200F NCGA31200F 120-1200 3.5-30
Mark Types HNCG HNCGA (800 1200 Amperes)
HNCG31200F HNCGA31200F 120-1200 3.5-30
Accessories Modifications
Field Mountable Attachments
Description Provision trip flux transfer shunt trip from external source: Volts Volts 50/60 Provision trip flux transfer shunt trip from external source, plus 1A-1B Auxiliary Switch: Volts Volts 50/60 Provision trip flux transfer shunt trip from external 24-volt source 1A-1B Auxiliary Switch Style Number 1372D39G13 1372D39G23
Terminals Terminals Required Pole
Max. Amps 1000 1200 (Std.) 1200 1000 1200 Catalog Number TA1000NB1 TA1200NB1 TA1201NB1 T1000NB1 T1200NB1 Cables, Wire Range, Type 3/0-400MCM 4/0-500MCM 500-750MCM 3/0-500MCM 3/0-400MCM
Al/Cu Pressure Terminals
1372D39G16 1372D39G26 1371D94G05 1371D39G03
Optional Copper Pressure Terminals
Additional Accessories Modifications Refer pages 58-68. Rating Plugs Select from page
CSA, page Type SELTRONIC breakers meet requirements Class 21a, MARK Type meet Class defined Federal Spec. W-C-375b. Listed Interrupting Capacity, Symmetrical Amperes
Breaker HNC, HNCG Volts 42000 65000 30000 50000 22000 25000
2-pole breakers supplied 3-pole frames with current-carrying parts omitted from center pole. Inc. recognized component. Available without extra neutral. Order description similar above except without neutral external Terminal connections same price. Note standard ground fault unit above also used without neutral Order desired terminals each pole breaker neutral applications other than standard residual scheme, Application Data 29-160. other possible combinations, refer factory. Molded case switches standard SELTRONIC attachments should ordered description. Does void listing listed breakers. Only attachments mounted breaker. Rated volts minimum ground fault applications requiring tripping voltage. ground fault applications. Also used breakers with ground fault separately mounted neutral current transformers. Type Al/Cu pressure terminal. Interrupting capacities shown apply molded case switches.
March 2001
MOLDED CASE CIRCUIT BREAKERS
MOLDED CASE CIRCUIT BREAKER REPLACEMENT GUIDE
Series Industrial Circuit Breakers Maximum Amperes Series Circuit Breakers Cutler-Hammer's most current offering and, such, logical first choice when upgrading retrofitting equipment. 800A 800A HND, 1200A HND, 1600A/2000A/2500A
circuit breakers listed column ELECTRICALLY INTERCHANGEABLE. Dimensions Inches 3-pole Breaker 81/4 Replacement Circuit Breakers These new, labeled circuit breakers continue manufactured primarily applied achieve exact physical electrical replacement previously installed CutlerHammer/Westinghouse circuit breakers same style number rating. 41/16 81/4 51/2 81/4 51/2 151/2 93/4
SELTRONIC
81/4
41/16
81/4
41/16
81/4
51/2
121/16
221/8
91/16
121/16
221/8
91/16
Out-of-Production Westinghouse Circuit Breakers These circuit breakers longer manufactured. Indicates last date manufacture. option, these circuit breakers reconditioned original factory Cutler-Hammer. details, page contact your local Cutler-Hammer Field Sales Office.
1200
81/4
*1967
51/2
81/4
*1967
51/2
*1968 51/2
*1967 51/2
*1968
91/16
SPCB 1200A, 1200A *1986 Consult Cutler-Hammer 51/2 81/4
SPCB 2000-3000A, 2000-3000A *1986 Consult Cutler-Hammer 221/8 91/16 121/16
Out-of-Production Cutler-Hammer Circuit Breakers Last Manufactured Cutler-Hammer 1994
Equivalent Cutler-Hammer Brand Frame Size Existed
Equivalent Cutler-Hammer Brand Frame Size Existed
81/4
41/16
81/4
51/2
Breaker replaces Breakers 2000A 2500A only.
March 2001

Replacement Circuit Breakers with Solid State Trip Units, Volts

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