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 |
|---|---|
| 79500 | WESTINGHOUSE ELECTRIC CORP |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 225.0 AMPERES AC ALL LOCATIONS AND 225.0 AMPERES DC ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 225.0 AMPERES AC ALL LOCATIONS AND 225.0 AMPERES DC ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 200.0 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 |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.375 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP W/SEPARATE RESET |
| CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 5400.000 NOMINAL AT 150 PCT ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 20000.0 AC ALL LOCATIONS AND 15000.0 DC ALL LOCATIONS |