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 |
|---|---|---|
| ADAT | BODY WIDTH | 1.875 INCHES NOMINAL |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.406 INCHES NOMINAL |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 138.0 SINGLE LOCATION |
| AAQL | BODY STYLE | SINGLE POLE TYPE |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 THREADED STUD |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-13516 SPECIFICATION |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.625 INCHES MAXIMUM |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.063 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | FORRESTAL CLASS CV; LANDING CRAFT AIR CUSHION (LCAC); SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE) |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 575.0 DC SINGLE LOCATION |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 50.0 AMPERES DC SINGLE LOCATION |
| ADTV | CASE MATERIAL | PLASTIC |
| AKPX | POLE QUANTITY | 1 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 8.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| CPRQ | RESET METHOD | MANUAL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349--13516/4 GOVERNMENT SPECIFICATION |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ABHP | OVERALL LENGTH | 3.227 INCHES NOMINAL |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 PUSH BUTTON |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| CPRJ | TRIP RELEASE METHOD | THERMAL SINGLE LOCATION |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 28.0 DC SINGLE LOCATION |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SALT SPRAY PROOF AND VIBRATION RESISTANT AND SHOCK RESISTANT AND FUNGUS RESISTANT |