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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
FREQ FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
AKPX POLE QUANTITY 3
CPRR MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
CBBL FEATURES PROVIDED ADJUSTABLE TRIP RELEASE
CPLM MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 100.0 AMPERES AC ALL LOCATIONS
CQXF INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED FUNGUS RESISTANT
ADTV CASE MATERIAL PLASTIC
CPRQ RESET METHOD MANUAL
CPRL TRIP RELEASE CHARACTERISTIC INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS
CPRJ TRIP RELEASE METHOD THERMAL-MAGNETIC ALL LOCATIONS
CRCF TRIP RELEASE AMBIENT TEMP RATING 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
CPRW ACTUATOR FUNCTION TRIP-RESET
CPSF ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS +500.0/+1000.0 AC ALL LOCATIONS
CPRX ACTUATOR POSITION DESIGNATION AT EACH POLE
CPRH CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
CPRT MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
CPRF OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 600.0 AC ALL LOCATIONS
CPRG MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 25000.0 AC ALL LOCATIONS

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