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National Stock Number:
5925-01-414-2766
Federal Supply Class:
5925
National Item Identification Number:
014142766
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:
| 5-MSV-250A | 64496 | SIEMENS-ALLIS SWITCHGEAR DIV OF SIEMENS-ALLIS | | 816-803 | 83041 | EUCLID EQUIPMENT INC |
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Techincal Specification:
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 1200.0 AMPERES AC ALL LOCATIONS | | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 4160.0 AC AND | | 48.0 DC ALL LOCATIONS | | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS | | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 29000.0 AC ALL LOCATIONS | | SUPPLEMENTARY FEATURES | CIRCUIT BREAKER,VACUUM |
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