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National Stock Number:
5925-00-727-2624
Federal Supply Class:
5925
National Item Identification Number:
007272624
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:
| 7741830P8 | 03538 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| ACTUATOR FUNCTION | RESET | | ARC QUENCHING METHOD | MAGNETIC BLOWOUT | | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 8.094 INCHES NOMINAL | | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 1.375 INCHES NOMINAL | | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE | | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE | | OVERALL WIDTH | 4.130 INCHES NOMINAL | | MATERIAL | PLASTIC CASE | | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED STUD(S) | | NOMINAL THREAD SIZE | 0.375 INCHES | | OVERALL HEIGHT | 9.380 INCHES NOMINAL | | OVERALL LENGTH | 4.670 INCHES NOMINAL | | POLE QUANTITY | 3 | | PRECIOUS MATERIAL | SILVER | | RESET METHOD | MANUAL | | TERMINAL TYPE AND QUANTITY | 6 SCREW | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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