5925-01-567-3539 CIRCUIT BREAKER SUBASSEMBLY Index 5925-01-567-3998 CIRCUIT BREAKER

National Stock Number:
5925-01-567-3790

Federal Supply Class:
5925

National Item Identification Number:
015673790

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.


Manufacturer Information:
M55629/1-31181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-55629/181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
BODY LENGTH2.490 INCHES NOMINAL
BODY STYLESINGLE POLE TYPE
BODY WIDTH0.750 INCHES MAXIMUM
BOSS HEIGHT0.140 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.940 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.060 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
PART NAME ASSIGNED BY CONTROLLING AGENCYCIRCUIT BREAKER
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE2.514 INCHES MAXIMUM
NOMINAL THREAD SIZE0.140 INCHES
POLE QUANTITY1
RESET METHODMANUAL
SPECIAL FEATURESHIGH RUSH;3.0AMP;.3 MAX IMPD OHM
TRIP RELEASE METHODMAGNETIC SINGLE LOCATION
SPECIFICATION/STANDARD DATA81349-MIL-PRF-55629/1F GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY2 THREADED STUD
TEST DATA DOCUMENT81349-MIL-PRF-55629 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD SERIES DESIGNATORUNC
THREAD TOLERANCE CLASS2B INTERNAL


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