5925-01-157-7802 CIRCUIT BREAKER Index 5925-01-157-7804 CIRCUIT BREAKER

National Stock Number:
5925-01-157-7803

Federal Supply Class:
5925

National Item Identification Number:
011577803

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:
M39019/02-33481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-C-39019/281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-39019/281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
POLE QUANTITY1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE12.5 AMPERES AC AND
12.5 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY2 WIRE HOOK
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND
50.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
RESET METHODMANUAL
BODY STYLESINGLE POLE TYPE
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
CASE MATERIALPLASTIC
UNPACKAGED UNIT WEIGHT50.0 GRAMS NOMINAL
TRIP RELEASE METHODMAGNETIC SINGLE LOCATION
FREQUENCY IN HERTZ60.0 OR
400.0 SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC AND
500.0 DC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.055 MINIMUM AT 200 PCT AND
0.950 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BUSHING LENGTH0.332 INCHES MINIMUM AND
0.380 INCHES MAXIMUM
BODY LENGTH1.531 INCHES MINIMUM AND
1.562 INCHES MAXIMUM
BODY WIDTH0.594 INCHES MINIMUM AND
0.625 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.875 INCHES MINIMUM AND
0.906 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE1.669 INCHES MINIMUM AND
1.700 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNEF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE ONE
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS0.5 AC AND
0.5 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS120.0 AC AND
50.0 DC
SWITCH TERMINAL TYPEPIN
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND
MOISTURE RESISTANT
FEATURES PROVIDEDHIGH INRUSH PROTECTION
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.).
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
FRAGILITY FACTORMODERATELY RUGGED
SPECIFICATION/STANDARD DATA81349-MIL-C-39019/2 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-PRF-39019/2
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM39019/02-334


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