5925-00-159-0438 CIRCUIT BREAKER Index 5925-00-159-0445 CIRCUIT BREAKER

National Stock Number:
5925-00-159-0444

Federal Supply Class:
5925

National Item Identification Number:
001590444

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:
153239279500WESTINGHOUSE ELECTRIC CORP
153239283309ELECTRICAL SPECIALTY CO DIV OF ELECTRICAL INSULATION SUPPLIERS INC
NE23105079443FEDERAL PACIFIC ELECTRIC CO ST LOUIS PANELBOARD PLANT
S153239279500WESTINGHOUSE ELECTRIC CORP
S1532392F0179GE MEDICAL SYSTEMS


Techincal Specification:
ACTUATOR FUNCTIONTRIP W/SEPARATE RESET
ARC QUENCHING METHODDEION
CASE MATERIALPLASTIC
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC AND 125.0 DC ALL LOCATIONS
OVERALL HEIGHT3.969 INCHES NOMINAL
OVERALL LENGTH6.000 INCHES NOMINAL
OVERALL WIDTH4.125 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.0 AMPERES AC AND 15.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 AC AND 5000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE
POLE QUANTITY3
RESET METHODMANUAL
SPECIAL FEATURESMTG HOLES IN 2 ROWS OF 3,1.375 BY 4.844 IN. C TO C
TERMINAL TYPE AND QUANTITY6 SCREW
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT210.000 MINIMUM AT 125 PCT AND 4200.000 MAXIMUM AT 125 PCT AND 20.000 MINIMUM AT 200 PCT AND 105.000 MAXIMUM AT 200 PCT AND 8.000 MINIMUM AT 300 PCT AND 23.000 MAXIMUM AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS210.000 MINIMUM AND 4200.000 MAXIMUM ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL


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