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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
21810 CHALLENGER ELECTRICAL EQUIPMENT 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 60.0 ALL LOCATIONS
BBRG STORAGE TYPE GENERAL PURPOSE WAREHOUSE
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 20.0 AMPERES AC ALL LOCATIONS
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 2 TOGGLE
AKPX POLE QUANTITY 2
AFJN FRAGILITY FACTOR MODERATELY RUGGED
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 10000.0 AC ALL LOCATIONS
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CPRL TRIP RELEASE CHARACTERISTIC INSTANTANEOUS ALL LOCATIONS
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 240.0 AC ALL LOCATIONS
ADTV CASE MATERIAL PLASTIC
AAQL BODY STYLE RECTANGULAR DIMENSIONAL ENVELOPE
CPRQ RESET METHOD MANUAL
ABMK OVERALL WIDTH 3.130 INCHES NOMINAL
ABHP OVERALL LENGTH 3.340 INCHES NOMINAL
CPRJ TRIP RELEASE METHOD THERMAL-MAGNETIC ALL LOCATIONS
TTQY TERMINAL TYPE AND QUANTITY 2 CLIP AND 2 SCREW
ABKW OVERALL HEIGHT 2.000 INCHES NOMINAL
AXHR MOUNTING FACILITY TYPE AND QUANTITY 2 CLIP AND 2 TERMINAL
CPRN ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 125.0 ALL LOCATIONS
CRCF TRIP RELEASE AMBIENT TEMP RATING 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
CPRW ACTUATOR FUNCTION TRIP-RESET
CPRX ACTUATOR POSITION DESIGNATION AT EACH POLE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
CPRY EXTERNAL ACTUATOR LINKAGE ARRANGEMENT ONE AND TWO LINKED
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED GENERAL PURPOSE

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