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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
28527 ITT CORPORATION

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
PKWT UNPACKAGED UNIT WEIGHT 0.061 POUNDS
CQJX NOMINAL THREAD SIZE 0.469 INCHES
PRMT PRECIOUS MATERIAL SILVER
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT SINGLE LOCATION
AXHR MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED BUSHING
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
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP SINGLE LOCATION
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED FUNGUS RESISTANT AND MOISTURE RESISTANT
TTQY TERMINAL TYPE AND QUANTITY 2 TAB W/SCREW
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 0.673 INCHES MINIMUM AND 0.735 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNS
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 4.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 16.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ADTV CASE MATERIAL PLASTIC
AKPX POLE QUANTITY 1
CPRQ RESET METHOD MANUAL
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 5000.0 AC SINGLE LOCATION AND 5000.0 DC SINGLE LOCATION
PMLC PRECIOUS MATERIAL AND LOCATION TERMINAL SURFACES SILVER
ABXD BUSHING LENGTH 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
CPRJ TRIP RELEASE METHOD THERMAL SINGLE LOCATION
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 PUSH-PULL
CPRW ACTUATOR FUNCTION TRIP-RESET
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 3.0 AMPERES AC SINGLE LOCATION AND 3.0 AMPERES DC SINGLE LOCATION
CPRX ACTUATOR POSITION DESIGNATION AT POLE ONE
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 1.281 INCHES MINIMUM AND 1.343 INCHES MAXIMUM
ADAT BODY WIDTH 0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 120.0 AC SINGLE LOCATION AND 30.0 DC SINGLE LOCATION
FREQ FREQUENCY IN HERTZ 400.0 SINGLE LOCATION
CMLP THREAD QUANTITY PER INCH 32
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY SINGLE LOCATION
CRCF TRIP RELEASE AMBIENT TEMP RATING 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
ADAQ BODY LENGTH 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM

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