5925-00-174-3301 CIRCUIT BREAKER Index 5925-00-174-3319 CIRCUIT BREAKER

National Stock Number:
5925-00-174-3308

Federal Supply Class:
5925

National Item Identification Number:
001743308

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:
1310-87279500WESTINGHOUSE ELECTRIC CORP
25B443979500WESTINGHOUSE ELECTRIC CORP
260-0786-0013499ROCKWELL COLLINS, INC.
29178899993DEPARTMENT OF THE NAVY
S06E520979500WESTINGHOUSE ELECTRIC CORP


Techincal Specification:
ACTUATOR FUNCTIONTRIP W/SEPARATE RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPEOVERCURRENT FIRST LOCATION
CIRCUIT PROTECTION TYPEOVERCURRENT SECOND LOCATION
CIRCUIT PROTECTION TYPEUNDERVOLTAGE THIRD LOCATION
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
OVERALL HEIGHT4.688 INCHES NOMINAL
OVERALL LENGTH17.688 INCHES NOMINAL
OVERALL WIDTH8.250 INCHES NOMINAL
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE125.0 AMPERES AC AND 125.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS10000.0 AC AND 10000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
NOMINAL THREAD SIZE0.375 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC AND 250.0 DC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY6 SCREW
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT108.000 MINIMUM AT 200 PCT AND 500.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS


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