4820-01-521-5650 VALVE,STOP-CHECK Index 5345-01-521-5652 DISK,ABRASIVE

National Stock Number:
5925-01-521-5651

Federal Supply Class:
5925

National Item Identification Number:
015215651

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:
M39019/04-31481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M39019/4-31481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-39019/481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONBETWEEN POLE ONE AND TWO
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
BODY LENGTH1.562 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.281 INCHES MAXIMUM
BUSHING LENGTH0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.360 INCHES MAXIMUM AND 0.390 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FEATURES PROVIDEDHIGH INRUSH PROTECTION
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ400.00 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDHERMETICALLY SEALED AND FUNGUS RESISTANT AND VIBRATION RESISTANT AND SHOCK RESISTANT AND SALT SPRAY PROOF
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND 50.0 DC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE2.5 AMPERES AC AND 2.5 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC AND 500.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.828 INCHES MAXIMUM
NOMINAL THREAD SIZE0.138 INCHES
POLE QUANTITY2
RESET METHODMANUAL
SPECIAL HANDLING FEATUREMAGNETIC
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT100.0 GRAMS NOMINAL
SPECIFICATION/STANDARD DATA81349-MIL-C-39019/4 GOVERNMENT SPECIFICATION
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE TWO
SWITCH TERMINAL TYPETAB, SOLDER LUG
SWITCH VOLTAGE RATING AND TYPE IN VOLTS120.0 AC AND 50.0 DC
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS0.5 AC AND 0.5 DC
TERMINAL TYPE AND QUANTITY4 WIRE HOOK
TEST DATA DOCUMENT81349-MIL-C-39019 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 QUANTITY PER INCH32
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS


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