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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
18876 U S ARMY AVIATION AND MISSILE COMMAN

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ADAQ BODY LENGTH 1.750 INCHES MAXIMUM
CPRP ULTIMATE TRIP TIME PER POLE IN SECONDS 10.000 MINIMUM SINGLE LOCATION AND 40.000 MAXIMUM SINGLE LOCATION
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 115.0 SINGLE LOCATION
BBRJ SPECIAL HANDLING FEATURE MAGNETIC
PRMT PRECIOUS MATERIAL SILVER
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT SINGLE LOCATION
AAQL BODY STYLE SINGLE POLE TYPE
THSD THREAD SERIES DESIGNATOR UNEF
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 240.0 AC SINGLE LOCATION
PMLC PRECIOUS MATERIAL AND LOCATION CONTACT SURFACES SILVER
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP SINGLE LOCATION
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 0.500 MINIMUM AT 200 PCT SINGLE LOCATION AND 9.000 MAXIMUM AT 200 PCT SINGLE LOCATION
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CQJX NOMINAL THREAD SIZE 0.375 INCHES
CPRJ TRIP RELEASE METHOD MAGNETIC SINGLE LOCATION
AAJE THREAD PITCH DIAMETERS +0.3503/+0.3537 INCHES
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 200.0 MILLIAMPERES AC SINGLE LOCATION
PKWT UNPACKAGED UNIT WEIGHT 1.800 OUNCES
AKPX POLE QUANTITY 1
CPRQ RESET METHOD MANUAL
TTQY TERMINAL TYPE AND QUANTITY 2 WIRE HOOK
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED SHOCK RESISTANT AND HERMETICALLY SEALED AND FUNGUS RESISTANT AND VIBRATION RESISTANT AND MOISTURE RESISTANT
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
ABXD BUSHING LENGTH 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
CPRW ACTUATOR FUNCTION TRIP-RESET
APNQ ARC QUENCHING METHOD MAGNETIC BLOWOUT
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 1.700 INCHES MAXIMUM
ADTV CASE MATERIAL METAL
CPRX ACTUATOR POSITION DESIGNATION AT POLE ONE
FREQ FREQUENCY IN HERTZ 400.0 SINGLE LOCATION
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
AXHR MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED BUSHING W/PANEL SEAL
CMLP THREAD QUANTITY PER INCH 32
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY SINGLE LOCATION
ADAT BODY WIDTH 0.625 INCHES MAXIMUM
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 1000.0 AC SINGLE LOCATION

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