5925-00-159-0444, CIRCUIT BREAKER

National Stock Number:
5925-00-159-0444

Federal Supply Class:
5925

National Item Identification Number:
001590444

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:

1532392	79500	WESTINGHOUSE ELECTRIC CORP
1532392	83309	ELECTRICAL SPECIALTY CO DIV OF ELECTRICAL INSULATION SUPPLIERS INC
NE231050	79443	FEDERAL PACIFIC ELECTRIC CO ST LOUIS PANELBOARD PLANT
S1532392	79500	WESTINGHOUSE ELECTRIC CORP
S1532392	F0179	GE MEDICAL SYSTEMS

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC AND
	15.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	6 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC AND
	125.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
MOUNTING FACILITY TYPE AND QUANTITY	6 UNTHREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC AND
	5000.0 DC ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	210.000 MINIMUM AT 125 PCT AND
	4200.000 MAXIMUM AT 125 PCT AND
	20.000 MINIMUM AT 200 PCT AND
	105.000 MAXIMUM AT 200 PCT AND
	8.000 MINIMUM AT 300 PCT AND
	23.000 MAXIMUM AT 300 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS	210.000 MINIMUM AND
	4200.000 MAXIMUM ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	6.000 INCHES NOMINAL
OVERALL HEIGHT	3.969 INCHES NOMINAL
OVERALL WIDTH	4.125 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP W/SEPARATE RESET
ARC QUENCHING METHOD	DEION
SPECIAL FEATURES	MTG HOLES IN 2 ROWS OF 3,1.375 BY 4.844 IN. C TO C

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