5925-01-228-2308 CIRCUIT BREAKER Index 5925-01-228-2310 CIRCUITBREAKER

National Stock Number:
5925-01-228-2309

Federal Supply Class:
5925

National Item Identification Number:
012282309

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:
SM3333250AC400174193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY LENGTH1.464 INCHES MINIMUM AND 1.526 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.841 INCHES MINIMUM AND 1.903 INCHES MAXIMUM
BUSHING LENGTH0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.647 INCHES MINIMUM AND 1.709 INCHES MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS
POLE QUANTITY4
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY6 WIRE HOOK
THREAD SERIES DESIGNATORUNEF
THREAD QUANTITY PER INCH32
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT1.000 MINIMUM AT 200 PCT AND 4.500 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS


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