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 |
|---|---|---|
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 1000.0 AC ALL LOCATIONS |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| AKPX | POLE QUANTITY | 3 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 2.100 MINIMUM AT 200 PCT ALL LOCATIONS AND 10.500 MAXIMUM AT 200 PCT ALL LOCATIONS |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 1.026 INCHES NOMINAL |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE, TWO, AND THREE LINKED |
| CSWP | SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 250.0 AC AND 50.0 DC |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 3 TOGGLE |
| CSSX | SWITCH CURRENT RATING AND TYPE IN AMPS | 5.0 AC AND 3.0 DC |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.026 INCHES NOMINAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| AEGJ | SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| CRTK | SWITCH TERMINAL TYPE | PIN |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC ALL LOCATIONS |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.750 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 6 THREADED HOLE |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 3.520 INCHES NOMINAL |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| AJEC | BOSS HEIGHT | 0.220 INCHES NOMINAL |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| AAQL | BODY STYLE | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 THREADED STUD |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-55629/17 GOVERNMENT SPECIFICATION |
| ADAT | BODY WIDTH | 3.108 INCHES NOMINAL |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 3.547 INCHES NOMINAL |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-55629 SPECIFICATION |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 80.0 AMPERES AC ALL LOCATIONS |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| ADAQ | BODY LENGTH | 5.125 INCHES NOMINAL |