5925-01-129-5977, CIRCUIT BREAKER

National Stock Number:
5925-01-129-5977

Federal Supply Class:
5925

National Item Identification Number:
011295977

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:

10670787-6	18876	U S ARMY AVIATION AND MISSILE COMMAND
295-111-1RE-2343-6	81541	SENSATA TECHNOLOGIES MARYLAND, INC
72-282-6-MG6	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
BODY LENGTH	2.500 INCHES NOMINAL
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	2.295 INCHES MAXIMUM
BOSS HEIGHT	0.150 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.940 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.750 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.060 INCHES NOMINAL
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, AND THREE LINKED
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	VIBRATIONPROOF AND SHOCK RESISTANT AND CORROSION RESISTANT AND MOISTURE RESISTANT AND FUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	3 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	5.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	500.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	6 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.927 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	408.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
SPECIAL HANDLING FEATURE	MAGNETIC
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS	5.0 AC AND 1.0 AC
SWITCH LOCATION AND POSITION DESIGNATION	INTERNAL AT POLE ONE
SWITCH TERMINAL TYPE	WIRE LEAD
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	125.0 AC AND 50.0 AC
TERMINAL TYPE AND QUANTITY	6 THREADED STUD
THREAD SERIES DESIGNATOR	UNC
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	20.000 MINIMUM AT 200 PCT AND 80.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	150.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT	0.600 POUNDS NOMINAL

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