5925-00-106-7255 CIRCUIT BREAKER Index 5925-00-106-7257 CIRCUIT BREAKER

National Stock Number:
5925-00-106-7256

Federal Supply Class:
5925

National Item Identification Number:
001067256

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:
377D012G0889946EATON CORPORATION
656D012G0811660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
BAB203089946EATON CORPORATION


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
BODY HEIGHT2.375 INCHES NOMINAL
BODY LENGTH3.000 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH2.000 INCHES NOMINAL
BOSS HEIGHT0.187 INCHES NOMINAL
CASE MATERIALPLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.000 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
CRITICALITY CODE JUSTIFICATIONFEAT
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ60.0 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
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE30.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE
POLE QUANTITY2
RESET METHODMANUAL
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY2 SCREW AND 2 TAB, SOLDER LUG
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT12.500 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.190 INCHES NOMINAL


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