5975-01-214-3075 CONDUIT ASSEMBLY,NONMETALLIC,ELE Index 5925-01-214-3077 CIRCUITBREAKER

National Stock Number:
5925-01-214-3076

Federal Supply Class:
5925

National Item Identification Number:
012143076

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:
7939979-123892LOCKHEED MARTIN SERVICES, LLC
AM4-A8-A-15-1074193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM
BOSS HEIGHT0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
CASE MATERIALPLASTIC
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
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.052 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, THREE, AND FOUR LINKED
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ50.0 OR 60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY4 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY8 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE2.461 INCHES MINIMUM AND 2.481 INCHES MAXIMUM
NOMINAL THREAD SIZE0.138 INCHES
POLE QUANTITY4
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY8 THREADED STUD
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT15.000 MINIMUM AT 200 PCT AND 70.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT12.500 OUNCES NOMINAL


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