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 |
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| PKWT | UNPACKAGED UNIT WEIGHT | 100.0 GRAMS |
| ADAT | BODY WIDTH | 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.055 MINIMUM AT 200 PCT ALL LOCATIONS AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS |
| AKPX | POLE QUANTITY | 2 |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| ABXD | BUSHING LENGTH | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| CPRX | ACTUATOR POSITION DESIGNATION | BETWEEN POLE ONE AND TWO |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC ALL LOCATIONS AND 500.0 DC ALL LOCATIONS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC ALL LOCATIONS AND 50.0 DC ALL LOCATIONS |
| AAJE | THREAD PITCH DIAMETERS | +0.3503/+0.3537 INCHES |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| CPRQ | RESET METHOD | MANUAL |
| ADAQ | BODY LENGTH | 1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 WIRE HOOK |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-39019/3 GOVERNMENT SPECIFICATION |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.797 INCHES MINIMUM AND 1.828 INCHES MAXIMUM |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| ADTV | CASE MATERIAL | METAL |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 2.5 AMPERES AC ALL LOCATIONS AND 2.5 AMPERES DC ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 ALL LOCATIONS |