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 |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 0.5 MILLIAMPERES AC ALL LOCATIONS |
CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
ADAT | BODY WIDTH | 1.562 INCHES NOMINAL |
ADAQ | BODY LENGTH | 1.937 INCHES NOMINAL |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.828 INCHES MAXIMUM |
AKPX | POLE QUANTITY | 3 |
THSD | THREAD SERIES DESIGNATOR | UNEF |
ABXD | BUSHING LENGTH | 0.380 INCHES NOMINAL |
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 |
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 |
CPRQ | RESET METHOD | MANUAL |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 135.0 ALL LOCATIONS |
CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.625 INCHES NOMINAL |
ADTV | CASE MATERIAL | METAL |
CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.906 INCHES NOMINAL |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
TTQY | TERMINAL TYPE AND QUANTITY | 6 WIRE HOOK |