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 |
AKPX | POLE QUANTITY | 2 |
FREQ | FREQUENCY IN HERTZ | 400.00 ALL LOCATIONS |
CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.060 MAXIMUM AT 800 PCT ALL LOCATIONS |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 7.5 AMPERES AC ALL LOCATIONS AND 7.5 AMPERES DC ALL LOCATIONS |
CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC ALL LOCATIONS AND 500.0 DC ALL LOCATIONS |
ABXD | BUSHING LENGTH | 0.356 INCHES NOMINAL |
CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
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 |
TTQY | TERMINAL TYPE AND QUANTITY | 4 SCREW |
CPRQ | RESET METHOD | MANUAL |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
THSD | THREAD SERIES DESIGNATOR | UNC |
AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 0.750 INCHES NOMINAL |
CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 800.0 ALL LOCATIONS |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.950 INCHES MAXIMUM |
CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
AAQL | BODY STYLE | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
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 |
AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |