5925-01-044-3990, CIRCUIT BREAKER

National Stock Number:
5925-01-044-3990

Federal Supply Class:
5925

National Item Identification Number:
010443990

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:

AP112-1R-4341-1	81541	SENSATA TECHNOLOGIES MARYLAND, INC
AP112-4341-1	81541	SENSATA TECHNOLOGIES MARYLAND, INC
GC855EC1	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
GC885EC1	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
HE3-Z83-1	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	3.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	6 WIRE HOOK
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	300.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.500 MINIMUM AT 200 PCT AND
	4.500 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	115.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BUSHING LENGTH	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
BODY LENGTH	1.552 INCHES MINIMUM AND
	1.572 INCHES MAXIMUM
BODY WIDTH	1.844 INCHES MINIMUM AND
	1.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.615 INCHES MINIMUM AND
	0.635 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.690 INCHES MINIMUM AND
	1.710 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNEF
NOMINAL THREAD SIZE	0.375 INCHES
THREAD QUANTITY PER INCH	32
THREAD PITCH DIAMETERS	0.3503 TO 0.3537 INCHES
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
SWITCH LOCATION AND POSITION DESIGNATION	INTERNAL AT POLE THREE
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS	1.0 AC AND
	0.5 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	125.0 AC AND
	50.0 DC
SWITCH TERMINAL TYPE	TAB, SOLDER LUG
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	MOISTURE RESISTANT AND
	HERMETICALLY SEALED
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
FRAGILITY FACTOR	MODERATELY RUGGED

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