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National Stock Number:
5925-01-466-5148
Federal Supply Class:
5925
National Item Identification Number:
014665148
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:
| S271-K0.5 | 0DFT9 | ABB INC. DIV SUBSTATION AUTOMATION & PROTECTION | | S271-K0.5 | 32353 | ABB CONTROL INC |
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Techincal Specification:
| BODY STYLE | SINGLE POLE TYPE | | CIRCUIT PROTECTION TYPE | OVERVOLTAGE FIRST LOCATION | | FREQUENCY IN HERTZ | 50.0 OR 60.0 FIRST LOCATION | | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 0.5 AMPERES AC FIRST LOCATION | | MOUNTING FACILITY TYPE AND QUANTITY | 1 CLIP | | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 277.0 AC FIRST LOCATION | | POLE QUANTITY | 1 | | RESET METHOD | MANUAL |
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