Part Number
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 |
---|---|
81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
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 SINGLE LOCATION |
CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
TTQY | TERMINAL TYPE AND QUANTITY | 2 SCREW |
CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS SINGLE LOCATION AND TIME DELAY SINGLE LOCATION |
CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC SINGLE LOCATION |
CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 7500.0 AC SINGLE LOCATION |
CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 30.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 90.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES AC SINGLE LOCATION |
AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.188 INCHES NOMINAL |
ADTV | CASE MATERIAL | PLASTIC |
AKPX | POLE QUANTITY | 1 |
CPRQ | RESET METHOD | MANUAL |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC SINGLE LOCATION |
CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 SINGLE LOCATION |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE |