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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| ADAT | BODY WIDTH | 3.344 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 20.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 90.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 10.0 AMPERES AC ALL LOCATIONS AND 10.0 AMPERES DC 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 |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 2.938 INCHES NOMINAL |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 2.625 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.216 INCHES |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| ADAU | BODY HEIGHT | 3.375 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| AJEC | BOSS HEIGHT | 0.125 INCHES NOMINAL |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 QUICK DISCONNECT, FEMALE |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 5000.0 AC ALL LOCATIONS AND 2500.0 DC ALL LOCATIONS |
| ADAQ | BODY LENGTH | 4.125 INCHES NOMINAL |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.125 INCHES NOMINAL |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE AND AT POLE THREE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 0.625 INCHES NOMINAL |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 ALL LOCATIONS |