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 |
ADAT | BODY WIDTH | 1.281 INCHES MAXIMUM |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 10.0 AMPERES AC ALL LOCATIONS AND 10.0 AMPERES DC ALL LOCATIONS |
FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS OR 400.0 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 |
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 |
CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC ALL LOCATIONS AND 240.0 AC 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 |
AGAV | END ITEM IDENTIFICATION | AFT STEERING UNIT |
AEFP | NONTURN DEVICE RADIUS | 0.325 INCHES NOMINAL |
CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.500 MINIMUM AT 200 PCT ALL LOCATIONS AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
CPRP | ULTIMATE TRIP TIME PER POLE IN SECONDS | 3.000 MINIMUM ALL LOCATIONS AND 60.000 MAXIMUM ALL LOCATIONS |
TTQY | TERMINAL TYPE AND QUANTITY | 4 TAB W/SCREW |
CPRQ | RESET METHOD | MANUAL |
FEAT | SPECIAL FEATURES | 2 MOUNTING SCREWS TO ENHANCE VIBRATION RESISTANCE; CIRCUIT BREAKER FURNISHED WITH NONTURN DEVISE |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 135.0 ALL LOCATIONS |
CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
AEFN | NONTURN DEVICE LOCATION | AT 12 OCLOCK |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.950 INCHES MAXIMUM |
ADTV | CASE MATERIAL | METAL |
CBBL | FEATURES PROVIDED | HIGH INRUSH PROTECTION |
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 |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
ADAQ | BODY LENGTH | 1.562 INCHES MAXIMUM |
AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION |