5925-00-279-6740 CIRCUIT BREAKER Index 7035-00-279-6746 CIRCUIT CARD ASSEMBLY

National Stock Number:
5925-00-279-6742

Federal Supply Class:
5925

National Item Identification Number:
002796742

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:
DKN4079500WESTINGHOUSE ELECTRIC CORP


Techincal Specification:
ACTUATOR FUNCTIONTRIP W/SEPARATE RESET
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS+200.0 TO 400.0 DC ALL LOCATIONS
AUXILIARY SWITCH FUNCTION AND QUANTITY1 CONTROL
CIRCUIT PROTECTION TYPEOVERCURRENT FIRST LOCATION
CIRCUIT PROTECTION TYPEOVERCURRENT SECOND LOCATION
FEATURES PROVIDEDADJUSTABLE TRIP RELEASE
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 PUSH-PULL AND 1 ROTARY
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE200.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS25000.0 DC ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 DC ALL LOCATIONS
POLE QUANTITY2
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY POLE QUANTITY; MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE; OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS; ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY4 BUS BAR
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS


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