6640-00-956-5712 PAPER,LENS Index 4931-00-956-5723 CABLE ASSEMBLY,SPEC

National Stock Number:
5925-00-956-5715

Federal Supply Class:
5925

National Item Identification Number:
009565715

Description:
CIRCUIT BREAKER

Detail:
A DEVICE WITH MEANS OTHER THAN FUSES FOR AUTOMATICALLY OPENING THE CIRCUIT IN WHICH IT IS INSTALLED WHEN THE CURRENT VARIES FROM THE PREDETERMINED VALUE FOR WHICH THE DEVICE IS SET. MAY INCLUDE PROVISIONS FOR MANUAL OPERATION. AT LEAST ONE SET OF CONTACTS MUST BE IN SERIES WITH THE ACTUATING ELEMENT(S). A COMBINATION OF SEMICONDUCTOR AND PASSIVE DEVICES MAY BE USED IN LIEU OF CONTACTS. FOR AUTOMATICALLY OPERATED ITEMS IN WHICH THE ACTUATING (TRIPPING) ELEMENT AND CONTACTS ARE NOT IN SERIES, SEE RELAY (AS MODIFIED). FOR ITEMS WHICH ARE OPERATED BOTH MANUALLY AND AUTOMATICALLY BUT THE ACTUATING ELEMENTS AND CONTACT ARE NOT IN SERIES, SEE RELAY-SWITCH. EXCLUDES CIRCUIT BREAKER BOX AND MAGNETO "BREAKER" ASSEMBLIES. SEE ALSO SWITCH (AS MODIFIED); AND CONTROLLER.


Manufacturer Information:
1222-09979500WESTINGHOUSE ELECTRIC CORP
1222-09989946EATON CORPORATION


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ARC QUENCHING METHODDEION
CASE MATERIALPLASTIC
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF
NOMINAL THREAD SIZE0.281 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS600.0 AC ALL LOCATIONS
OVERALL HEIGHT4.125 INCHES NOMINAL
OVERALL LENGTH9.375 INCHES NOMINAL
OVERALL WIDTH4.812 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE30.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS15000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
RESET METHODMANUAL
POLE QUANTITY3
SPECIAL FEATURESMTG HOLES ON 7.250 IN. BY 1.375 IN. MTG CENTERS
TRIP RELEASE AMBIENT TEMP RATING25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE DUTY CYCLECONTINUOUS ALL LOCATIONS
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT122.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY4 SCREW


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