5925-01-580-3255 PANEL,LIGHTER Index 5925-01-580-4272 CIRCUIT BREAKER

National Stock Number:
5925-01-580-4250

Federal Supply Class:
5925

National Item Identification Number:
015804250

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:
M39019/06-231S81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-39019/681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
ARC QUENCHING METHODMAGNETIC BLOWOUT
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
BODY LENGTH1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.937 INCHES MAXIMUM
BUSHING LENGTH0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND HERMETICALLY SEALED
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE5.0 AMPERES AC AND 5.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC AND 500.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.828 INCHES MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND 50.0 DC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
SPECIAL HANDLING FEATUREMAGNETIC
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL FEATURESSCREW TERMINALS WITH INSULATING BLOCK
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS0.5 AC AND 0.5 DC
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE THREE
SWITCH TERMINAL TYPETAB, SOLDER LUG
SWITCH VOLTAGE RATING AND TYPE IN VOLTS120.0 AC AND 50.0 DC
TERMINAL TYPE AND QUANTITY6 WIRE HOOK
THREAD SERIES DESIGNATORUNEF
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.550 MINIMUM AT 200 PCT AND 1.000 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 PERCENT115.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT150.0 GRAMS NOMINAL


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