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National Stock Number:
5925-00-202-0740
Federal Supply Class:
5925
National Item Identification Number:
002020740
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:
| AN3161-5 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | MILC7079 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF | | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE(S) | | NOMINAL THREAD SIZE | 0.138 INCHES | | OVERALL HEIGHT | 2.625 INCHES NOMINAL | | OVERALL LENGTH | 2.188 INCHES NOMINAL | | OVERALL WIDTH | 0.750 INCHES NOMINAL | | POLE QUANTITY | 1 | | RESET METHOD | AUTOMATIC | | TERMINAL TYPE AND QUANTITY | 2 SCREW | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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