5925-01-347-7728, CIRCUIT BREAKER

National Stock Number:
5925-01-347-7728

Federal Supply Class:
5925

National Item Identification Number:
013477728

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:

83E3446

65054

WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	250.0 AMPERES AC AND
	250.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	500.0 AC AND
	250.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND
	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY	4 THREADED STUD
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	650.0 AC AND
	650.0 DC ALL LOCATIONS
THE MANUFACTURERS DATA
MANUFACTURERS CODE	65054
DESIGN CONTROL REFERENCE	83E3446

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