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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
94756 BOEING COMPANY, THE DIV DEFENSE, SPA

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP ALL LOCATIONS
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 1000.0 AC ALL LOCATIONS
AEHA DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 2.553 INCHES MAXIMUM
FREQ FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 20.0 AMPERES AC ALL LOCATIONS
AKPX POLE QUANTITY 3
CPRY EXTERNAL ACTUATOR LINKAGE ARRANGEMENT ONE, TWO, AND THREE LINKED
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 3 TOGGLE
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED FUNGUS RESISTANT AND MOISTURE RESISTANT
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
AEBY DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM
ZZZK SPECIFICATION/STANDARD DATA 81349-MIL-C-55629/5 GOVERNMENT SPECIFICATION
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 240.0 AC ALL LOCATIONS
ADAT BODY WIDTH 2.156 INCHES MINIMUM AND 2.344 INCHES MAXIMUM
ADTV CASE MATERIAL PLASTIC
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 0.130 MINIMUM AT 200 PCT ALL LOCATIONS AND 1.600 MAXIMUM AT 200 PCT ALL LOCATIONS
CPRQ RESET METHOD MANUAL
TEST TEST DATA DOCUMENT 81349-MILC55629/5 SPECIFICATION
THSD THREAD SERIES DESIGNATOR UNC
AXHR MOUNTING FACILITY TYPE AND QUANTITY 6 THREADED HOLE
AEBQ CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
CPRJ TRIP RELEASE METHOD MAGNETIC ALL LOCATIONS
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 1.660 INCHES MINIMUM AND 1.960 INCHES MAXIMUM
ADAQ BODY LENGTH 2.510 INCHES MAXIMUM
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 125.0 ALL LOCATIONS
CPRW ACTUATOR FUNCTION TRIP-RESET
APNQ ARC QUENCHING METHOD MAGNETIC BLOWOUT
CPRX ACTUATOR POSITION DESIGNATION AT EACH POLE
AJEC BOSS HEIGHT 0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
AAQL BODY STYLE MULTIPOLE-MULTIPLE ACTUATOR TYPE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
TTQY TERMINAL TYPE AND QUANTITY 6 THREADED STUD
CMLP THREAD QUANTITY PER INCH 32
CQJX NOMINAL THREAD SIZE 0.138 INCHES

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