5920-01-262-2892 FUSE,CARTRIDGE Index 5935-01-262-2894 CONNECTOR,PLUG,ELECTRICAL

National Stock Number:
5925-01-262-2893

Federal Supply Class:
5925

National Item Identification Number:
012622893

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:
23036451P179272LOCKHEED MARTIN CORP
47A521719P1923991LOCKHEED MARTIN CORPORATION
AM1-200-174193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM4-A3A3A3A6-20-3-RELAY 12VAC-P74193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM4-A3A3A3A6-PL 1,2,3,20A-3PL41-74193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM4-Z200-174193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM4R-A3A3A3A6-LC07D-A-20-3/12ACPL3330HEINEMANN ELECTRIC CANADA LIMITEE


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY LENGTH2.468 INCHES MINIMUM AND 2.532 INCHES MAXIMUM
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH2.968 INCHES MINIMUM AND 3.032 INCHES MAXIMUM
BOSS HEIGHT0.108 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.906 INCHES MINIMUM AND 1.970 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.030 INCHES MINIMUM AND 2.094 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, THREE, AND FOUR LINKED
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND HUMIDITY RESISTANT AND MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP FIRST LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SECOND LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP THIRD LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONRELAY TRIP FOURTH LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY4 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE20.0 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 DISTANCE2.688 INCHES MINIMUM AND 2.752 INCHES MAXIMUM
NOMINAL THREAD SIZE0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS12.0 AC FOURTH LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC FIRST LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC SECOND LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC THIRD LOCATION
POLE QUANTITY4
RESET METHODMANUAL
SPECIAL HANDLING FEATUREFRAGILE
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 CURRENT0.150 MINIMUM AT 200 PCT AND 1.500 MAXIMUM AT 200 PCT FIRST LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.150 MINIMUM AT 200 PCT AND 1.500 MAXIMUM AT 200 PCT SECOND LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.150 MINIMUM AT 200 PCT AND 1.500 MAXIMUM AT 200 PCT THIRD LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY FIRST LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SECOND LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY THIRD LOCATION
TRIP RELEASE CHARACTERISTICINSTANTANEOUS FOURTH LOCATION
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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