5925-01-287-4283, CIRCUIT BREAKER

National Stock Number:
5925-01-287-4283

Federal Supply Class:
5925

National Item Identification Number:
012874283

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:

11426-90003	97384	TEXTRON SYSTEMS CORPORATION
AM4-A3A3A3A6-A-50-2	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
UPL5111-22195-1	81541	SENSATA TECHNOLOGIES MARYLAND, INC

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
BODY LENGTH	2.468 INCHES MINIMUM AND 2.532 INCHES MAXIMUM
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	2.968 INCHES MINIMUM AND 3.032 INCHES MAXIMUM
BOSS HEIGHT	0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.906 INCHES MINIMUM AND 1.970 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT FIRST LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SECOND LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT THIRD LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.030 INCHES MINIMUM AND 2.094 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, THREE, AND FOUR LINKED
FREQUENCY IN HERTZ	50.0 OR 60.0 FOURTH LOCATION
FREQUENCY IN HERTZ	60.0 SECOND LOCATION
FREQUENCY IN HERTZ	60.0 FIRST LOCATION
FREQUENCY IN HERTZ	60.0 THIRD LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT AND HUMIDITY RESISTANT AND MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP FIRST LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SECOND LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP THIRD LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	4 TOGGLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC FIRST LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC SECOND LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC THIRD LOCATION
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 AMPERES AC FIRST LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 AMPERES AC SECOND LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 AMPERES AC THIRD LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC FIRST LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC SECOND LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC THIRD LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	8 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.688 INCHES MINIMUM AND 2.752 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.138 INCHES
POLE QUANTITY	4
RESET METHOD	MANUAL
SPECIAL FEATURES	FOURTH POLE IS SWITCH ONLY
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS	50.0 AC
SWITCH LOCATION AND POSITION DESIGNATION	EXTERNAL AT POLE FOUR
SWITCH TERMINAL TYPE	THREADED STUD
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	250.0 AC
TERMINAL TYPE AND QUANTITY	8 THREADED STUD
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT FIRST LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SECOND LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT THIRD LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY FIRST LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SECOND LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY THIRD LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC FIRST LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SECOND LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC THIRD LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 FIRST LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SECOND LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 THIRD LOCATION
UNPACKAGED UNIT WEIGHT	9.500 OUNCES NOMINAL

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