5925-00-529-3865, CIRCUIT BREAKER

National Stock Number:
5925-00-529-3865

Federal Supply Class:
5925

National Item Identification Number:
005293865

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:

4975D71G29

79500

WESTINGHOUSE ELECTRIC CORP

Techincal Specification:

OVERALL WIDTH	2.750 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER	0.344 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
POLE QUANTITY	2
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	125.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	4 COMPRESSION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	600.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 AC ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	40.0 DEG CELSIUS NOMINAL ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	6.000 INCHES NOMINAL
OVERALL HEIGHT	3.969 INCHES NOMINAL

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