5925-00-054-4152, CIRCUIT BREAKER

National Stock Number:
5925-00-054-4152

Federal Supply Class:
5925

National Item Identification Number:
000544152

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:

GC885K05-50	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
PAM12HKMG6-0-5-50VDC	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	500.0 MILLIAMPERES 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	50.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS SINGLE LOCATION
RESET METHOD	MANUAL
BODY STYLE	SINGLE POLE TYPE
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
CASE MATERIAL	PLASTIC
UNPACKAGED UNIT WEIGHT	4.250 OUNCES NOMINAL
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2000.0 DC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	120.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY LENGTH	2.490 INCHES MINIMUM AND
	2.510 INCHES MAXIMUM
BODY WIDTH	0.740 INCHES MINIMUM AND
	0.760 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.928 INCHES MINIMUM AND
	1.948 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.052 INCHES MINIMUM AND
	2.072 INCHES MAXIMUM
BOSS HEIGHT	0.130 INCHES MINIMUM AND
	0.150 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.549 INCHES MINIMUM AND
	2.673 INCHES MAXIMUM
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
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
SWITCH LOCATION AND POSITION DESIGNATION	INTERNAL AT POLE ONE
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS	2.5 AC AND
	1.0 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	250.0 AC AND
	50.0 DC
SWITCH TERMINAL TYPE	TAB, SOLDER LUG
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT AND
	MOISTURE RESISTANT
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATURE	MAGNETIC
FRAGILITY FACTOR	MODERATELY RUGGED

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