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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
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 1.060 INCHES NOMINAL
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT SINGLE LOCATION
AEBY DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 2.406 INCHES NOMINAL
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 138.0 SINGLE LOCATION
AAQL BODY STYLE SINGLE POLE TYPE
AFJN FRAGILITY FACTOR MODERATELY RUGGED
TTQY TERMINAL TYPE AND QUANTITY 2 THREADED STUD
ABHP OVERALL LENGTH 3.160 INCHES NOMINAL
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP SINGLE LOCATION
CPRQ RESET METHOD AUTOMATIC
ZZZK SPECIFICATION/STANDARD DATA 58536-AA55571/07-004 GOVERNMENT SPECIFICATION
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 2.000 INCHES MAXIMUM
ADAT BODY WIDTH 1.880 INCHES NOMINAL
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 575.0 DC SINGLE LOCATION
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 50.0 AMPERES DC SINGLE LOCATION
ADTV CASE MATERIAL PLASTIC
AKPX POLE QUANTITY 1
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 8.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION
CPRJ TRIP RELEASE METHOD THERMAL SINGLE LOCATION
AEBV UNTHREADED MOUNTING HOLE DIAMETER 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED VIBRATION RESISTANT AND SHOCK RESISTANT AND SALT SPRAY PROOF AND FUNGUS RESISTANT
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 28.0 DC SINGLE LOCATION
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY SINGLE LOCATION
CRCF TRIP RELEASE AMBIENT TEMP RATING 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
AXHR MOUNTING FACILITY TYPE AND QUANTITY 2 UNTHREADED HOLE

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