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 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS AND 0.055 MINIMUM AT 200 PCT ALL LOCATIONS AND 0.240 MAXIMUM AT 400 PCT ALL LOCATIONS |
| ADAT | BODY WIDTH | 1.281 INCHES MAXIMUM |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.828 INCHES MAXIMUM |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 500.0 MILLIAMPERES AC ALL LOCATIONS AND 500.0 MILLIAMPERES DC ALL LOCATIONS |
| ABXD | BUSHING LENGTH | 0.380 INCHES MAXIMUM |
| CPRZ | AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
| AKPX | POLE QUANTITY | 2 |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| CPRX | ACTUATOR POSITION DESIGNATION | BETWEEN POLE ONE AND TWO |
| TEST | TEST DATA DOCUMENT | 81349-MIL-PRF-39019 SPECIFICATION |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC ALL LOCATIONS AND 500.0 DC ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | THD BUSHING W/PANEL SEAL |
| 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 |
| AEGJ | SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT |
| CPRQ | RESET METHOD | MANUAL |
| CSWP | SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 120.0 AC AND 50.0 DC |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 WIRE HOOK |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| CRTK | SWITCH TERMINAL TYPE | TAB, SOLDER LUG |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CQSM | SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE TWO |
| ADTV | CASE MATERIAL | METAL |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.625 INCHES NOMINAL |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ADAQ | BODY LENGTH | 1.562 INCHES MAXIMUM |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE AND TWO LINKED |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-PRF-39019/4 GOVERNMENT SPECIFICATION |
| CPRP | ULTIMATE TRIP TIME PER POLE IN SECONDS | 0.200 MINIMUM ALL LOCATIONS AND 7.000 MAXIMUM ALL LOCATIONS |