5925-01-202-0978 CIRCUIT BREAKER BOX Index 5925-01-202-0980 CIRCUIT BREAKER

National Stock Number:
5925-01-202-0979

Federal Supply Class:
5925

National Item Identification Number:
012020979

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:
138C403H0948306NORTHROP GRUMMAN SUPPORT SERVICES CORP
138C403H0997942NORTHROP GRUMMAN SYSTEMS CORPORATION
AM3-A9A8A8-A-60-1074193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
APL111-1REC2-3212-982647SENSATA TECHNOLOGIES, INC.


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE60.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY6 THREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.150 MINIMUM AT 200 PCT AND
1.500 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH2.490 INCHES MINIMUM AND
2.510 INCHES MAXIMUM
BODY WIDTH2.240 INCHES MINIMUM AND
2.260 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.928 INCHES MINIMUM AND
1.948 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.740 INCHES MINIMUM AND
0.760 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.052 INCHES MINIMUM AND
2.072 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.740 INCHES MINIMUM AND
0.760 INCHES MAXIMUM
BOSS HEIGHT0.130 INCHES MINIMUM AND
0.150 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE2.611 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD SIZE0.138 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY3 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE ONE
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS5.0 AC AND
1.0 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS125.0 AC AND
50.0 DC
SWITCH TERMINAL TYPETAB, SOLDER LUG
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF AND
FUNGUS PROOF
ARC QUENCHING METHODMAGNETIC BLOWOUT
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATUREMAGNETIC
FRAGILITY FACTORMODERATELY RUGGED


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