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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
53711 NAVAL SEA SYSTEMS COMMAND

Federal Supply Class

Title

CIRCUIT BREAKERS

Inclusions:

INCLUDES CIRCUIT BREAKERS AND CUTOUTS.

Exclusions:

EXCLUDES RELAYS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
ADAT BODY WIDTH 3.344 INCHES NOMINAL
FREQ FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 20.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 90.000 MAXIMUM AT 200 PCT ALL LOCATIONS
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 2.938 INCHES NOMINAL
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 2.625 INCHES NOMINAL
CQJX NOMINAL THREAD SIZE 0.216 INCHES
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 50.0 AMPERES AC ALL LOCATIONS AND 50.0 AMPERES DC ALL LOCATIONS
ADAU BODY HEIGHT 3.375 INCHES NOMINAL
ADTV CASE MATERIAL PLASTIC
CPRQ RESET METHOD MANUAL
AJEC BOSS HEIGHT 0.125 INCHES NOMINAL
CPRL TRIP RELEASE CHARACTERISTIC INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS
AXHR MOUNTING FACILITY TYPE AND QUANTITY 2 THREADED HOLE
TTQY TERMINAL TYPE AND QUANTITY 6 QUICK DISCONNECT, FEMALE
THSD THREAD SERIES DESIGNATOR UNC
CPRJ TRIP RELEASE METHOD THERMAL-MAGNETIC ALL LOCATIONS
FEAT SPECIAL FEATURES WEAPON SYSTEMS CRITICAL ITEM
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 5000.0 AC ALL LOCATIONS AND 2500.0 DC ALL LOCATIONS
ADAQ BODY LENGTH 4.125 INCHES NOMINAL
CRCF TRIP RELEASE AMBIENT TEMP RATING 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
CPRW ACTUATOR FUNCTION TRIP-RESET
AEBQ CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 1.125 INCHES NOMINAL
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
CRTL CRITICALITY CODE JUSTIFICATION FEAT
CPRX ACTUATOR POSITION DESIGNATION AT POLE ONE AND AT POLE THREE
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
AAQL BODY STYLE MULTIPOLE-SINGLE ACTUATOR TYPE
AEBY DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 0.625 INCHES NOMINAL
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 115.0 ALL LOCATIONS

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