5925-00-033-7884 CIRCUIT BREAKER Index 5945-00-033-7890 CHOPPER,ELECTRONIC

National Stock Number:
5925-00-033-7885

Federal Supply Class:
5925

National Item Identification Number:
000337885

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:
42282856232LOCKHEED MARTIN CORPORATION
620A30281541SENSATA TECHNOLOGIES MARYLAND, INC


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
BODY LENGTH1.760 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH2.000 INCHES NOMINAL
BUSHING LENGTH0.490 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.376 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDMOISTURE RESISTANT AND HERMETICALLY SEALED
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY3 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE3.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS500.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY3 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE0.450 INCHES MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS120.0 AC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY6 WIRE HOOK
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNEF
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.150 MINIMUM AT 200 PCT AND 0.800 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS


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