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 |
|---|---|---|
| FREQ | FREQUENCY IN HERTZ | 400.0 ALL LOCATIONS |
| FREQ | FREQUENCY IN HERTZ | 400.0 ALL LOCATIONS |
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 8.407 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| ADAT | BODY WIDTH | 5.000 INCHES MAXIMUM |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SHOCK RESISTANT AND VIBRATION RESISTANT |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| FEAT | SPECIAL FEATURES | CIRCUIT BREAKER SUPPLIED WITH FOUR 1/4-20 MOUNTING SCREWS 1.812 IN. LG |
| 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 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| ADAQ | BODY LENGTH | 10.000 INCHES MAXIMUM |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.438 INCHES NOMINAL |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-17361 SPECIFICATION |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.625 INCHES NOMINAL |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 8.750 INCHES NOMINAL |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 1.625 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| APNQ | ARC QUENCHING METHOD | AIR |
| AJEC | BOSS HEIGHT | 0.125 INCHES NOMINAL |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 35.000 MINIMUM AT 600 PCT ALL LOCATIONS AND 45.000 MAXIMUM AT 600 PCT ALL LOCATIONS |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 100.0 AMPERES AC ALL LOCATIONS AND 100.0 AMPERES DC 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 |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-17361 GOVERNMENT SPECIFICATION |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 7500.0 AC ALL LOCATIONS AND 10000.0 DC ALL LOCATIONS |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 8.750 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 THREADED STUD |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 150.0 ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |