5925-00-870-9905, CIRCUIT BREAKER

National Stock Number:
5925-00-870-9905

Federal Supply Class:
5925

National Item Identification Number:
008709905

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:

50-126HP1MG3-133ACURVE3-12VDC	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
50-26-1	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
A51733	5RQL2	DRS ENVIRONMENTAL SYSTEMS INC
A51733	92878	HDT EXPEDITIONARY SYSTEMS INC
A51733	94833	KECO INDUSTRIES INC.

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	133.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	12.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
RESET METHOD	MANUAL
BODY STYLE	SINGLE POLE TYPE
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
CASE MATERIAL	PLASTIC
UNPACKAGED UNIT WEIGHT	9.750 OUNCES NOMINAL
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 DC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.180 MINIMUM AT 200 PCT AND
	0.500 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY LENGTH	3.709 INCHES MINIMUM AND
	3.729 INCHES MAXIMUM
BODY WIDTH	0.980 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	3.053 INCHES MINIMUM AND
	3.073 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.740 INCHES MINIMUM AND
	2.760 INCHES MAXIMUM
BOSS HEIGHT	0.146 INCHES MINIMUM AND
	0.166 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	3.239 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT AND
	MOISTURE RESISTANT AND
	SHOCK RESISTANT AND
	VIBRATION RESISTANT
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATURE	MAGNETIC
FRAGILITY FACTOR	MODERATELY RUGGED

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