6150-01-497-1927 CABLE ASSEMBLY,SPECIAL PURPOSE,E Index 4320-01-497-1929 SEAL ASSEMBLY,SHAFT,SPRING LOADE

National Stock Number:
5925-01-497-1928

Federal Supply Class:
5925

National Item Identification Number:
014971928

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:
462-7068566-9953711NAVAL SEA SYSTEMS COMMAND
706856653711NAVAL SEA SYSTEMS COMMAND
M55629/17CQCQCQ81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-C-55629/1781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
H851-2001-9996169ELECTRIC BOAT CORPORATION


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE5.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY6 THREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS50.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.150 MINIMUM AT 200 PCT AND
1.000 MAXIMUM AT 200 PCT AND
0.032 MINIMUM AT 400 PCT AND
0.250 MAXIMUM AT 400 PCT AND
0.110 MAXIMUM AT 800 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT1000.0 ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS0.800 MINIMUM AND
7.000 MAXIMUM ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH5.125 INCHES NOMINAL
BODY WIDTH3.108 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH3.480 INCHES MINIMUM AND
3.614 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.996 INCHES MINIMUM AND
1.056 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.026 INCHES NOMINAL
BOSS HEIGHT0.220 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE3.460 INCHES MINIMUM AND
3.580 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD SIZE0.138 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY3 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE ONE
SWITCH CURRENT RATING AND TYPE IN AMPS5.0 AC AND
1.0 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS250.0 AC AND
50.0 DC
SWITCH TERMINAL TYPEPIN
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND
MOISTURE RESISTANT AND
SALT WATER RESISTANT
TEST DATA DOCUMENT81349-MIL-C-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.).
SPECIAL FEATURESCIRCUIT BREAKER HAS THREE POLE, SINGLE THROW NORMALLY OPEN SWITCH CONTACT ARRANGEMENT; MOUNT IN VERTICAL PLANE
SPECIFICATION/STANDARD DATA81349-MIL-C-55629/17 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-C-55629/17
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM55629/17CQCQCQ


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