3110-01-133-8448 BEARING,BALL,ANNULAR Index 5925-01-133-8450 CIRCUIT BREAKER

National Stock Number:
5925-01-133-8449

Federal Supply Class:
5925

National Item Identification Number:
011338449

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:
1146222318876U S ARMY AVIATION AND MISSILE COMMAND
1146222319605INSCOM ELECTRONICS CORPORATION
1146222327784BROWN PRECISION, INC
1146222329056WOODARD ELECTRIC INC
1146222363692MAECO
114622236X173WILDWOOD ELECTRONICS INC
5925PL20726439009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
BODY LENGTH1.937 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.562 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 WIDTH0.625 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
FREQUENCY IN HERTZ60.0 OR 400.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPORCELAIN CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE20.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.828 INCHES MAXIMUM
NOMINAL THREAD SIZE0.380 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS120.0 AC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY3 WIRE HOOK
THREAD SERIES DESIGNATORUNC
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT3.000 MINIMUM AT 135 PCT AND 60.000 MAXIMUM AT 135 PCT AND 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT AND 1.750 MAXIMUM AT 400 PCT AND 0.600 MAXIMUM AT 600 PCT AND 0.100 MAXIMUM AT 800 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT135.0 ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS3.000 MINIMUM AND 60.000 MAXIMUM ALL LOCATIONS


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