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Part Number

Part Number:
NSN:
NIIN:
Item Name:
CIRCUIT BREAKER

Definition:

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.

CAGE Information

Code Company
81349 MILITARY SPECIFICATIONS PROMULGATED

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
BBRJ SPECIAL HANDLING FEATURE MAGNETIC
FREQ FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED SHOCK RESISTANT AND VIBRATION RESISTANT
CPRX ACTUATOR POSITION DESIGNATION AT POLE TWO
AKPX POLE QUANTITY 3
AEHA DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH 3.000 INCHES NOMINAL
ADAT BODY WIDTH 9.000 INCHES MAXIMUM
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 500.0 AC ALL LOCATIONS AND 335.0 DC ALL LOCATIONS
AXHR MOUNTING FACILITY TYPE AND QUANTITY 6 UNTHREADED HOLE
AEBY DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 17.000 INCHES NOMINAL
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
TEST TEST DATA DOCUMENT 81349-MIL-C-17361 SPECIFICATION
AJEC BOSS HEIGHT 0.250 INCHES NOMINAL
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 20.000 MINIMUM AT 600 PCT ALL LOCATIONS AND 32.000 MAXIMUM AT 600 PCT ALL LOCATIONS
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 130.0 ALL LOCATIONS
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 400.0 AMPERES AC ALL LOCATIONS AND 400.0 AMPERES DC ALL LOCATIONS
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 100000.0 AC ALL LOCATIONS AND 150000.0 DC ALL LOCATIONS
ADTV CASE MATERIAL PLASTIC
ADAQ BODY LENGTH 17.937 INCHES NOMINAL
CPRQ RESET METHOD MANUAL
APNQ ARC QUENCHING METHOD AIR
AEBQ CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 3.000 INCHES NOMINAL
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 15.125 INCHES NOMINAL
AEBV UNTHREADED MOUNTING HOLE DIAMETER 0.250 INCHES NOMINAL
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 7.562 INCHES MAXIMUM
CPRJ TRIP RELEASE METHOD THERMAL-MAGNETIC ALL LOCATIONS
CRCF TRIP RELEASE AMBIENT TEMP RATING 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
CPRW ACTUATOR FUNCTION TRIP-RESET
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
ZZZK SPECIFICATION/STANDARD DATA 81349-MIL-C-17361 GOVERNMENT SPECIFICATION
TTQY TERMINAL TYPE AND QUANTITY 6 THREADED STUD
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
AAQL BODY STYLE MULTIPOLE-SINGLE ACTUATOR TYPE

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