5925-01-029-3314 CIRCUIT BREAKER Index 6240-01-029-3316 CLAMP,CABLE,SPECIAL

National Stock Number:
5925-01-029-3315

Federal Supply Class:
5925

National Item Identification Number:
010293315

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:
3179574-2410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
3179574-2436090LOCKHEED MARTIN LIBRASCOPE CORP


Techincal Specification:
POLE QUANTITY2
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE7.0 AMPERES AC AND
7.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY4 WIRE HOOK
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND
50.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC AND
500.0 DC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.200 MINIMUM AT 200 PCT AND
6.000 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
BUSHING LENGTH0.280 INCHES MINIMUM AND
0.380 INCHES MAXIMUM
BODY LENGTH1.562 INCHES MAXIMUM
BODY WIDTH1.281 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.625 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.828 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNEF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH32
THREAD PITCH DIAMETERS0.3503 TO 0.3537 INCHES
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONBETWEEN POLE ONE AND TWO
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE TWO
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS0.5 AC AND
0.5 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS120.0 AC AND
50.0 DC
SWITCH TERMINAL TYPEPIN
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND
VIBRATION RESISTANT AND
MOISTURE RESISTANT AND
SHOCK RESISTANT AND
SALT SPRAY PROOF
ARC QUENCHING METHODMAGNETIC BLOWOUT
NONTURN DEVICE RADIUS0.625 INCHES NOMINAL
NONTURN DEVICE DIAMETER0.250 INCHES NOMINAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATUREMAGNETIC
FRAGILITY FACTORMODERATELY RUGGED


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