5925-01-503-4543, CIRCUIT BREAKER

National Stock Number:
5925-01-503-4543

Federal Supply Class:
5925

National Item Identification Number:
015034543

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:

122A10-00M	11873	MCGRAW EDISON CO USD OPNS SUB OF COOPER INDUSTRIES
UND/122A10 00M	64678	DAIMLER TRUCK NORTH AMERICA LLC

Techincal Specification:

CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	10.0 AMPERES DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 TERMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	12.0 DC SINGLE LOCATION
POLE QUANTITY	1
SPECIAL FEATURES	TERMINALS - TWO 10-32 STUDS; NO BRACKET; LENGTH 1.240 INCHES, WIDTH 0.790 INCHES, HEIGHT 0.640 INCHES; OPERATING TEMPERATURE - MINUS 10 DEGREES F TO 150 DEGREES F
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	3.500 NOMINAL AT 400 PCT SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	400.0 SINGLE LOCATION
ULTIMATE TRIP TIME PER POLE IN SECONDS	3.500 NOMINAL SINGLE LOCATION

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