5925-01-250-8886 CIRCUIT BREAKER Index 5925-01-250-8888 CIRCUIT BREAKER

National Stock Number:
5925-01-250-8887

Federal Supply Class:
5925

National Item Identification Number:
012508887

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:
M83383/04-1081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-C-83383/481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-83383/481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-83383/4D81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ARC QUENCHING METHODAIRAIR
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPERECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FRAGILITY FACTORMODERATELY RUGGEDMODERATELY RUGGED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDCORROSION RESISTANT AND FUNGUS RESISTANT AND HERMETICALLY SEALED
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OVERALL HEIGHT3.250 INCHES MAXIMUM3.250 INCHES MAXIMUM
OVERALL LENGTH4.260 INCHES NOMINAL4.260 INCHES NOMINAL
OVERALL WIDTH3.690 INCHES NOMINAL3.690 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE60.0 AMPERES AC AND 60.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS50000.0 AC AND 50000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS200.0 AC AND 30.0 DC ALL LOCATIONS
POLE QUANTITY33
RESET ACTUATOR VOLTAGE RATING AND TYPE IN VOLTS115.0 AC
RESET METHODMANUAL
SPECIFICATION/STANDARD DATA81349--83383/04-10 GOVERNMENT SPECIFICATION
UNTHREADED MOUNTING HOLE DIAMETER0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM0.177 INCHES MAXIMUM
STORAGE TYPEGENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
SWITCH TERMINAL TYPETAB, SOLDER LUG
SWITCH VOLTAGE RATING AND TYPE IN VOLTS115.0 AC AND 28.0 DC
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROWSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS3.0 AC AND 1.5 DC
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE THREE
TERMINAL TYPE AND QUANTITY6 THREADED STUD
TEST DATA DOCUMENT81349-MIL-C-83383 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.).
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT13.000 MINIMUM AT 200 PCT AND 80.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT138.0 ALL LOCATIONS


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