5925-00-174-0408 CIRCUIT BREAKER Index 5925-00-174-0422 CIRCUIT BREAKER

National Stock Number:
5925-00-174-0419

Federal Supply Class:
5925

National Item Identification Number:
001740419

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:
56J97279500WESTINGHOUSE ELECTRIC CORP


Techincal Specification:
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONRELAY TRIP THIRD LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES/RELAY TRIP SECOND LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSHUNT TRIP FIRST LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY1 ROTARY
OVERALL HEIGHT14.375 INCHES NOMINAL
OVERALL LENGTH23.375 INCHES NOMINAL
OVERALL WIDTH14.000 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE50.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS20000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S)
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS1000.0 DC ALL LOCATIONS
POLE QUANTITY2
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
RESET METHODAUTOMATIC
UNTHREADED MOUNTING HOLE DIAMETER0.562 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY4 BUS BAR
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT200.0 ALL LOCATIONS


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