5925-00-174-0387, CIRCUIT BREAKER

National Stock Number:
5925-00-174-0387

Federal Supply Class:
5925

National Item Identification Number:
001740387

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:

1222032	11660	WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1222032	79500	WESTINGHOUSE ELECTRIC CORP
45-70	15605	EATON CORP OPNS & TECHNICAL CENTER
F3015	79500	WESTINGHOUSE ELECTRIC CORP

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	6 COMPRESSION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	600.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY	4 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
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY LENGTH	9.370 INCHES MINIMUM AND
	9.380 INCHES MAXIMUM
BODY WIDTH	4.120 INCHES MINIMUM AND
	4.130 INCHES MAXIMUM
BODY HEIGHT	3.807 INCHES MINIMUM AND
	3.817 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	7.245 INCHES MINIMUM AND
	7.255 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	1.369 INCHES MINIMUM AND
	1.379 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	4.495 INCHES MINIMUM AND
	4.505 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	1.369 INCHES MINIMUM AND
	1.379 INCHES MAXIMUM
BOSS HEIGHT	0.120 INCHES MINIMUM AND
	0.130 INCHES MAXIMUM
UNTHREADED MOUNTING HOLE DIAMETER	0.276 INCHES MINIMUM AND
	0.286 INCHES MAXIMUM
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	GENERAL PURPOSE
ARC QUENCHING METHOD	DEION
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATURE	MAGNETIC
FRAGILITY FACTOR	MODERATELY RUGGED

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