5975-01-199-4400 CONDUIT ASSEMBLY,METAL,FLEXIBLE Index 5330-01-199-4402 SEAL,PLAIN ENCASED

National Stock Number:
5925-01-199-4401

Federal Supply Class:
5925

National Item Identification Number:
011994401

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:
313C748G2311660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
AQB-LF250-175LM81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-C-1736181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-C-17361/781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE175.0 AMPERES AC AND
175.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS500.0 AC AND
355.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND
TIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS10000.0 AC AND
10000.0 DC ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT5.000 MINIMUM AT 200 PCT AND
15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH11.000 INCHES MAXIMUM
BODY WIDTH9.000 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH9.875 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH3.000 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH9.875 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH6.000 INCHES NOMINAL
BOSS HEIGHT0.250 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE9.031 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER0.250 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDSHOCK RESISTANT AND
VIBRATION RESISTANT
TEST DATA DOCUMENT81349-MIL-C-17361 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.).
ARC QUENCHING METHODAIR
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATUREMAGNETIC
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACES SILVER
FRAGILITY FACTORMODERATELY RUGGED
SPECIFICATION/STANDARD DATA81349-MIL-C-17361 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAQB-LF250-175LM
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-C-17361


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