5925-01-492-3308, CIRCUIT BREAKER

National Stock Number:
5925-01-492-3308

Federal Supply Class:
5925

National Item Identification Number:
014923308

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:

500K1914-3	5RQL2	DRS ENVIRONMENTAL SYSTEMS INC
500K1914-3	79343	ASRC FEDERAL FACILITIES LOGISTICS, LLC
AM3-A3-A-0030-2E	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
500K1914-3	92878	HDT EXPEDITIONARY SYSTEMS INC
500K1914-3	94833	KECO INDUSTRIES INC.
AM3R-A3-LC07DA-30-2	L3330	HEINEMANN ELECTRIC CANADA LIMITEE

Techincal Specification:

BODY LENGTH	2.500 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.750 INCHES NOMINAL
BOSS HEIGHT	0.090 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	2.047 INCHES MINIMUM AND 2.087 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.047 INCHES MINIMUM AND 2.087 INCHES MAXIMUM
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	100.0 AMPERES AC AND 250.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC AND 1000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.860 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	125.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UN
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	1.700 MINIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS

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