5925-00-647-3469, CIRCUIT BREAKER

National Stock Number:
5925-00-647-3469

Federal Supply Class:
5925

National Item Identification Number:
006473469

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:

1531-787	79500	WESTINGHOUSE ELECTRIC CORP
8491350	18876	U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

ACTUATOR FUNCTION	TRIP W/SEPARATE RESET
ARC QUENCHING METHOD	DEION
CASE MATERIAL	PLASTIC
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	15000.0 AC AND 15000.0 DC ALL LOCATIONS
OVERALL HEIGHT	4.812 INCHES NOMINAL
OVERALL LENGTH	9.375 INCHES NOMINAL
OVERALL WIDTH	4.125 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	70.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 AC AND 15000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE
RESET METHOD	MANUAL
POLE QUANTITY	3
SPECIAL FEATURES	8 PLUG-IN TERMINALS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	7200.000 NOMINAL AT 125 PCT AND 220.000 NOMINAL AT 200 PCT AND 45.000 NOMINAL AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE DUTY CYCLE	CONTINUOUS ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS

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