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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
79405 WOOD ELECTRIC OPERATIONS POTTER AND

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
FREQ FREQUENCY IN HERTZ 60.0 SINGLE LOCATION
FREQ FREQUENCY IN HERTZ 60.0 SINGLE LOCATION
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
ABXD BUSHING LENGTH 0.500 INCHES NOMINAL
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED SHOCK RESISTANT AND VIBRATION RESISTANT
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 250.0 AC SINGLE LOCATION AND 50.0 DC SINGLE LOCATION
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT SINGLE LOCATION
AXHR MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED BUSHING
AAQL BODY STYLE SINGLE POLE TYPE
THSD THREAD SERIES DESIGNATOR UNEF
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 1000.0 AC SINGLE LOCATION AND 2000.0 DC SINGLE LOCATION
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP SINGLE LOCATION
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CMLP THREAD QUANTITY PER INCH 28
ADAT BODY WIDTH 0.660 INCHES NOMINAL
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 0.850 INCHES NOMINAL
CQJX NOMINAL THREAD SIZE 0.438 INCHES
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 1.815 INCHES NOMINAL
ADAQ BODY LENGTH 1.375 INCHES NOMINAL
ADTV CASE MATERIAL PLASTIC
AKPX POLE QUANTITY 1
CPRQ RESET METHOD MANUAL
APNQ ARC QUENCHING METHOD AIR
CPRW ACTUATOR FUNCTION RESET
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 PUSH BUTTON
PKWT UNPACKAGED UNIT WEIGHT 1.500 OUNCES
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 145.0 SINGLE LOCATION
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 6.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 30.000 MAXIMUM AT 200 PCT SINGLE LOCATION
CPRJ TRIP RELEASE METHOD THERMAL SINGLE LOCATION
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 20.0 AMPERES AC SINGLE LOCATION AND 20.0 AMPERES DC SINGLE LOCATION
TTQY TERMINAL TYPE AND QUANTITY 2 QUICK DISCONNECT, MALE
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY SINGLE LOCATION
CRCF TRIP RELEASE AMBIENT TEMP RATING 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION

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