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 |
|---|---|---|
| FREQ | FREQUENCY IN HERTZ | 400.0 ALL LOCATIONS |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 138.0 ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| AKPX | POLE QUANTITY | 3 |
| CPRZ | AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
| CSWP | SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 115.0 AC AND 28.0 DC |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES AC ALL LOCATIONS AND 20.0 AMPERES DC ALL LOCATIONS |
| CPRJ | TRIP RELEASE METHOD | THERMAL ALL LOCATIONS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 200.0 AC ALL LOCATIONS AND 30.0 DC ALL LOCATIONS |
| ABHP | OVERALL LENGTH | 4.260 INCHES NOMINAL |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| AEGJ | SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-83383 SPECIFICATION |
| ABMK | OVERALL WIDTH | 3.690 INCHES NOMINAL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349--83383/04-05 GOVERNMENT SPECIFICATION |
| CRTK | SWITCH TERMINAL TYPE | TAB, SOLDER LUG |
| CQSM | SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE THREE |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | CORROSION RESISTANT AND FUNGUS RESISTANT AND HERMETICALLY SEALED |
| ADTV | CASE MATERIAL | METAL |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CSSX | SWITCH CURRENT RATING AND TYPE IN AMPS | 3.0 AC AND 1.5 DC |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 THREADED STUD |
| ABKW | OVERALL HEIGHT | 3.250 INCHES MAXIMUM |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 50000.0 AC ALL LOCATIONS AND 50000.0 DC ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 14.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 80.000 MAXIMUM AT 200 PCT ALL LOCATIONS |