5925-00-396-2283 CIRCUIT BREAKER Index 5999-00-396-2305 CONTACT,ELECTRICAL

National Stock Number:
5925-00-396-2303

Federal Supply Class:
5925

National Item Identification Number:
003962303

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:
129995211660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
129995279500WESTINGHOUSE ELECTRIC CORP
129997579500WESTINGHOUSE ELECTRIC CORP
46J228PC3979500WESTINGHOUSE ELECTRIC CORP
46J330PC5979500WESTINGHOUSE ELECTRIC CORP
47J892PC5179500WESTINGHOUSE ELECTRIC CORP
S129995211660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
S129995911660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
S129996611660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
S129997311660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
S176467711660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
BS5804PC6079500WESTINGHOUSE ELECTRIC CORP
MILC17361TYPEAQB81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ACTUATOR FUNCTIONRESET
ARC QUENCHING METHODDEION
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH8.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.625 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 DC ALL LOCATIONS
OVERALL HEIGHT4.750 INCHES NOMINAL
OVERALL LENGTH10.000 INCHES NOMINAL
OVERALL WIDTH5.000 INCHES NOMINAL
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE25.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS10000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
POLE QUANTITY2
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY4 THREADED STUD
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT10.000 MINIMUM AT 200 PCT AND 240.000 MAXIMUM AT 200 PCT AND 2.000 MINIMUM AT 300 PCT AND 7.500 MAXIMUM AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING50.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT200.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL


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