5925-01-349-6780, CIRCUIT BREAKER

National Stock Number:
5925-01-349-6780

Federal Supply Class:
5925

National Item Identification Number:
013496780

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:

302-11-003

58475

L-3 COMMUNICATIONS WESTWOOD CORPORATION

Techincal Specification:

CASE MATERIAL	PLASTIC
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	500.0 AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
TRIP RELEASE AMBIENT TEMP RATING	50.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	20.000 MINIMUM AT 200 PCT AND 32.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	135.0 ALL LOCATIONS
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE

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