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 |
|---|---|---|
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 SINGLE LOCATION |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 SINGLE LOCATION |
| 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 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES DC SINGLE LOCATION |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 500.0 DC SINGLE LOCATION |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC SINGLE LOCATION |
| AAJE | THREAD PITCH DIAMETERS | +0.3503/+0.3537 INCHES |
| AKPX | POLE QUANTITY | 1 |
| CPRQ | RESET METHOD | MANUAL |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC SINGLE LOCATION |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| 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 |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION |
| CPRP | ULTIMATE TRIP TIME PER POLE IN SECONDS | 3.000 MINIMUM SINGLE LOCATION AND 60.000 MAXIMUM 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 |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 WIRE HOOK |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 9.000 MAXIMUM AT 200 PCT SINGLE LOCATION AND 0.500 MINIMUM AT 200 PCT SINGLE LOCATION AND 1.750 MAXIMUM AT 400 PCT SINGLE LOCATION |