5925-00-140-2358 CIRCUIT BREAKER Index 5840-00-140-2371 ELECTRONIC COMPONENTS ASSEMBLY

National Stock Number:
5925-00-140-2359

Federal Supply Class:
5925

National Item Identification Number:
001402359

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:
SM-A-742927-380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLEAT EACH POLE
BODY LENGTH4.750 INCHES NOMINAL4.750 INCHES NOMINAL
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH4.199 INCHES MAXIMUM4.199 INCHES MAXIMUM
BOSS HEIGHT0.219 INCHES NOMINAL0.219 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH3.547 INCHES NOMINAL3.547 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.031 INCHES MAXIMUM1.031 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.031 INCHES MAXIMUM1.031 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.750 INCHES NOMINAL2.750 INCHES NOMINAL
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, THREE, AND FOUR LINKEDONE, TWO, THREE, AND FOUR LINKED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND FUNGUS RESISTANT AND MOISTURE RESISTANTMOISTURE RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONRELAY TRIP FOURTH LOCATIONRELAY TRIP FOURTH LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SECOND LOCATIONSERIES TRIP SECOND LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP THIRD LOCATIONSERIES TRIP THIRD LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP FIRST LOCATIONSERIES TRIP FIRST LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY4 TOGGLE4 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE30.0 AMPERES AC ALL LOCATIONS30.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS500.0 AC ALL LOCATIONS500.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY8 THREADED HOLE(S)8 THREADED HOLE(S)
MOUNTING SURFACE TO TERMINAL END DISTANCE3.234 INCHES NOMINAL3.234 INCHES NOMINAL
NOMINAL THREAD SIZE0.138 INCHES0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS250.0 AC ALL LOCATIONS
POLE QUANTITY44
RESET METHODMANUALMANUAL
TERMINAL TYPE AND QUANTITY10 THREADED STUD10 THREADED STUD
THREAD QUANTITY PER INCH3232
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT6.000 MINIMUM AT 200 PCT AND 6.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT FIRST LOCATION20.000 MAXIMUM AT 200 PCT FIRST LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT6.000 MINIMUM AT 200 PCT AND 6.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SECOND LOCATION20.000 MAXIMUM AT 200 PCT SECOND LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT6.000 MINIMUM AT 200 PCT AND 6.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT THIRD LOCATION20.000 MAXIMUM AT 200 PCT THIRD LOCATION
TRIP RELEASE CHARACTERISTICINSTANTANEOUS FOURTH LOCATIONINSTANTANEOUS FOURTH LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY THIRD LOCATIONTIME DELAY THIRD LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY FIRST LOCATIONTIME DELAY FIRST LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SECOND LOCATIONTIME DELAY SECOND LOCATION
TRIP RELEASE METHODMAGNETIC ALL LOCATIONSMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS150.0 ALL LOCATIONS


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