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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
89946 EATON CORPORATION

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQJX NOMINAL THREAD SIZE 0.250 INCHES
FREQ FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 138.0 ALL LOCATIONS
CPRX ACTUATOR POSITION DESIGNATION AT POLE TWO
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 500.0 AC ALL LOCATIONS AND 250.0 DC ALL LOCATIONS
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
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
AJEC BOSS HEIGHT 0.250 INCHES NOMINAL
CPRL TRIP RELEASE CHARACTERISTIC INSTANTANEOUS ALL LOCATIONS
AXHR MOUNTING FACILITY TYPE AND QUANTITY 4 THREADED HOLE
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED FUNGUS RESISTANT
ADTV CASE MATERIAL PLASTIC
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 15000.0 AC ALL LOCATIONS AND 20000.0 DC ALL LOCATIONS
CPRQ RESET METHOD MANUAL
AEBQ CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 3.000 INCHES NOMINAL
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 9.312 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
ADAQ BODY LENGTH 11.000 INCHES MAXIMUM
CPRJ TRIP RELEASE METHOD THERMAL-MAGNETIC ALL LOCATIONS
AGAV END ITEM IDENTIFICATION CIRCUIT BREAKER AAQB 250FR 125TRP 1950-4100TR
CPRW ACTUATOR FUNCTION TRIP-RESET
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 125.0 AMPERES AC ALL LOCATIONS AND 125.0 AMPERES DC ALL LOCATIONS
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 9.875 INCHES NOMINAL
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
TTQY TERMINAL TYPE AND QUANTITY 6 THREADED STUD
AEBY DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 9.875 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 20
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
AAQL BODY STYLE MULTIPOLE-SINGLE ACTUATOR TYPE
CRCF TRIP RELEASE AMBIENT TEMP RATING 50.0 MAXIMUM NOT APPLICABLE ALL LOCATIONS

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