5310-01-084-9971 NUT,SELF-LOCKING,HEXAGON Index 5925-01-084-9973 CIRCUIT BREAKER

National Stock Number:
5925-01-084-9972

Federal Supply Class:
5925

National Item Identification Number:
010849972

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:
1526-005-20505231MECHANICAL PRODUCTS CORP


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE2.5 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS120.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
CASE MATERIALPLASTIC
UNPACKAGED UNIT WEIGHT0.340 POUNDS NOMINAL
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.100 MINIMUM AT 400 PCT AND
0.700 MAXIMUM AT 400 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT138.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BUSHING LENGTH0.250 INCHES NOMINAL
BODY LENGTH1.300 INCHES MAXIMUM
BODY WIDTH2.062 INCHES MAXIMUM
BODY HEIGHT1.875 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.750 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.687 INCHES NOMINAL
THREAD SERIES DESIGNATORUNS
NOMINAL THREAD SIZE0.469 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY1 PUSH-PULL
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDSHOCKPROOF AND
VIBRATIONPROOF
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONCONTACTS SILVER


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