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 ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 100.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 190.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| ABMK | OVERALL WIDTH | 2.750 INCHES NOMINAL |
| AKPX | POLE QUANTITY | 2 |
| CPRX | ACTUATOR POSITION DESIGNATION | BETWEEN POLE ONE AND TWO |
| ABHP | OVERALL LENGTH | 6.312 INCHES NOMINAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 COMPRESSION |
| ZZZK | SPECIFICATION/STANDARD DATA | 81348-W-C-375/11 GOVERNMENT SPECIFICATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT |
| ADTV | CASE MATERIAL | PLASTIC |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| ABKW | OVERALL HEIGHT | 4.156 INCHES NOMINAL |
| CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 90.0 AMPERES AC ALL LOCATIONS AND 90.0 AMPERES DC ALL LOCATIONS |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC ALL LOCATIONS AND 125.0 DC ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| TEST | TEST DATA DOCUMENT | 81348-W-C-375 SPECIFICATION |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.187 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 40.0 DEG CELSIUS MAXIMUM ALL LOCATIONS |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 7500.0 AC ALL LOCATIONS AND 5000.0 DC ALL LOCATIONS |