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National Stock Number:
5925-00-792-9073
Federal Supply Class:
5925
National Item Identification Number:
007929073
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.
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Manufacturer Information:
| 445D670SUB4SH2-5 | 65054 | WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV | | 445D670SUB4SH2-5 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 900J229SH2ITJ | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
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Techincal Specification:
| POLE QUANTITY | 3 | | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS | | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 500.0 AC ALL LOCATIONS | | RESET METHOD | MANUAL | | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS | | TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS | | MANUAL ACTUATOR TYPE AND QUANTITY | 1 ROTARY | | ACTUATOR FUNCTION | RESET | | AUXILIARY SWITCH FUNCTION AND QUANTITY | 2 ALARM | | SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 450.0 AC | | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SHOCKPROOF | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 65054 | | DESIGN CONTROL REFERENCE | 445D670SUB4SH2-5 |
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