5998-00-124-9612 CIRCUIT CARD ASSEMBLY Index 4920-00-124-9614 REACTOR ASSEMBLY,DRAG

National Stock Number:
5925-00-124-9613

Federal Supply Class:
5925

National Item Identification Number:
001249613

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:
SMA71760980063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
ARC QUENCHING METHODMAGNETIC BLOWOUT
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
BODY LENGTH3.709 INCHES MINIMUM AND 3.729 INCHES MAXIMUM
BODY STYLESINGLE POLE TYPE
BODY WIDTH0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
BOSS HEIGHT0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH3.053 INCHES MINIMUM AND 3.073 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ60.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND MOISTURE RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE10.0 AMPERES AC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS2000.0 AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE3.167 INCHES MINIMUM AND 3.259 INCHES MAXIMUM
NOMINAL THREAD SIZE0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS125.0 AC SINGLE LOCATION
POLE QUANTITY1
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS5.0 AC
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE ONE
SWITCH TERMINAL TYPEPIN
SWITCH VOLTAGE RATING AND TYPE IN VOLTS125.0 AC
TERMINAL TYPE AND QUANTITY2 THREADED STUD
THREAD QUANTITY PER INCH32
THREAD PITCH DIAMETERS+0.1177 TO 0.1214 INCHES
THREAD SERIES DESIGNATORUNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT35.000 MINIMUM AT 200 PCT AND 105.000 MAXIMUM AT 200 PCT SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
TRIP RELEASE METHODMAGNETIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 SINGLE LOCATION


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