5925-00-154-0372, CIRCUIT BREAKER

5935-00-154-0382 CONNECTOR,RECEPTACLE,ELECTRICAL

National Stock Number:
5925-00-154-0372

Federal Supply Class:
5925

National Item Identification Number:
001540372

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:

12XRP12A	60969	GENERAL ELECTRIC CO ELECTRICAL DISTRIBUTION AND CONTROL
12XRP12A1	60969	GENERAL ELECTRIC CO ELECTRICAL DISTRIBUTION AND CONTROL
612622	98897	LOCKHEED MARTIN CORP

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	300.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	REVERSE CURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY	2 SCREW AND
	2 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	28.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
RESET METHOD	MANUAL
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 DC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.060 NOMINAL AT 125 PCT AND
	0.025 NOMINAL AT 200 PCT AND
	0.015 NOMINAL AT 300 PCT SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	NONTRIP FREE
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH BUTTON
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF

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