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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
05231 MECHANICAL PRODUCTS CORP

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 400.0 ALL LOCATIONS
FREQ FREQUENCY IN HERTZ 400.0 ALL LOCATIONS
CPSM INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP ALL LOCATIONS
ADAQ BODY LENGTH 2.203 INCHES NOMINAL
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 15.0 AMPERES AC ALL LOCATIONS
CQJX NOMINAL THREAD SIZE 0.469 INCHES
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 1200.0 AC ALL LOCATIONS
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 138.0 ALL LOCATIONS
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CQWN TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 15.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 55.000 MAXIMUM AT 200 PCT ALL LOCATIONS
AKPX POLE QUANTITY 3
AXHR MOUNTING FACILITY TYPE AND QUANTITY 3 THREADED BUSHING W/PANEL SEAL
AJWX MOUNTING SURFACE TO TERMINAL END DISTANCE 2.218 INCHES MAXIMUM
CPRY EXTERNAL ACTUATOR LINKAGE ARRANGEMENT ONE, TWO, AND THREE LINKED
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 3 PUSH-PULL
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED HERMETICALLY SEALED AND SHOCK RESISTANT AND VIBRATION RESISTANT
AEBP CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 0.704 INCHES NOMINAL
CPRJ TRIP RELEASE METHOD THERMAL ALL LOCATIONS
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
THSD THREAD SERIES DESIGNATOR UNS
AEBQ CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 0.750 INCHES NOMINAL
CPRL TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
CPRQ RESET METHOD MANUAL
ADAT BODY WIDTH 1.218 INCHES NOMINAL
PKWT UNPACKAGED UNIT WEIGHT 150.0 GRAMS
TTQY TERMINAL TYPE AND QUANTITY 6 TAB W/SCREW
CPRW ACTUATOR FUNCTION TRIP-RESET
CPRX ACTUATOR POSITION DESIGNATION AT EACH POLE
AAQL BODY STYLE MULTIPOLE-MULTIPLE ACTUATOR TYPE
TEST TEST DATA DOCUMENT 76374-FT-12 DRAWING
ADTV CASE MATERIAL METAL
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 120.0 AC ALL LOCATIONS
CRCF TRIP RELEASE AMBIENT TEMP RATING 25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
CMLP THREAD QUANTITY PER INCH 32
ABXD BUSHING LENGTH 0.250 INCHES NOMINAL

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