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 |
|---|---|---|
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC SINGLE LOCATION AND 50.0 DC SINGLE LOCATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SHOCK RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT AND FUNGUS RESISTANT AND SHOCK RESISTANT |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| AAQL | BODY STYLE | SINGLE POLE TYPE |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| ABXD | BUSHING LENGTH | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-39019/1 GOVERNMENT SPECIFICATION |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| PKWT | UNPACKAGED UNIT WEIGHT | 50.0 GRAMS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC SINGLE LOCATION |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 2.0 AMPERES AC SINGLE LOCATION AND 2.0 AMPERES DC SINGLE LOCATION |
| AKPX | POLE QUANTITY | 1 |
| CPRQ | RESET METHOD | MANUAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 WIRE HOOK |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 135.0 SINGLE LOCATION |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.700 INCHES MAXIMUM |
| ADTV | CASE MATERIAL | METAL |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.055 MINIMUM AT 200 PCT SINGLE LOCATION AND 0.950 MAXIMUM AT 200 PCT SINGLE LOCATION |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION |
| FREQ | FREQUENCY IN HERTZ | 400.0 SINGLE LOCATION |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
| ADAQ | BODY LENGTH | 1.562 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| ADAT | BODY WIDTH | 0.625 INCHES MAXIMUM |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC SINGLE LOCATION AND 500.0 DC SINGLE LOCATION |