5905-00-257-5722 RESISTOR,VARIABLE,WIRE WOUND Index 5925-00-257-5732 CIRCUIT BREAKER

National Stock Number:
5925-00-257-5731

Federal Supply Class:
5925

National Item Identification Number:
002575731

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:
19Y416211660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
22D893411660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
56J972AND22D893411660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
56J97279500WESTINGHOUSE ELECTRIC CORP
3001988AND98538980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSHUNT TRIP ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS1000.0 DC ALL LOCATIONS
OVERALL HEIGHT14.000 INCHES NOMINAL
OVERALL LENGTH23.875 INCHES NOMINAL
OVERALL WIDTH14.375 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 ROTARY
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS20000.0 DC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE320.0 AMPERES DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S)
POLE QUANTITY2
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MAXIMUM CONTINUOUS LOAD CURRENT PER POLE,ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT
RESET METHODAUTOMATIC
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT156.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.562 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY4 BUS BAR


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