5925-01-284-4215, CIRCUIT BREAKER

National Stock Number:
5925-01-284-4215

Federal Supply Class:
5925

National Item Identification Number:
012844215

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:

S313C748G21/452D377G07

65054

WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV

Techincal Specification:

BODY LENGTH	12.000 INCHES NOMINAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	8.875 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	3.000 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	9.750 INCHES NOMINAL
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SHUNT TRIP ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	500.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	250.0 AMPERES AC ALL LOCATIONS
POLE QUANTITY	3
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS

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