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 |
|---|---|---|
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SECOND LOCATION |
| ABKW | OVERALL HEIGHT | 4.688 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| AKPX | POLE QUANTITY | 3 |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC ALL LOCATIONS AND 250.0 DC ALL LOCATIONS |
| ABHP | OVERALL LENGTH | 17.688 INCHES NOMINAL |
| CPRH | CIRCUIT PROTECTION TYPE | UNDERVOLTAGE THIRD LOCATION |
| CPRJ | TRIP RELEASE METHOD | THERMAL ALL LOCATIONS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 10000.0 AC ALL LOCATIONS AND 10000.0 DC ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 108.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 500.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| ADTV | CASE MATERIAL | PLASTIC |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CPRW | ACTUATOR FUNCTION | TRIP W/SEPARATE RESET |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| ABMK | OVERALL WIDTH | 8.250 INCHES NOMINAL |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 125.0 AMPERES AC ALL LOCATIONS AND 125.0 AMPERES DC ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 SCREW |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT FIRST LOCATION |