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 |
ABXD | BUSHING LENGTH | 0.350 INCHES NOMINAL |
CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.100 MINIMUM AT 800 PCT ALL LOCATIONS AND 500.000 MAXIMUM AT 135 PCT ALL LOCATIONS |
FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS OR 400.0 ALL LOCATIONS |
AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.937 INCHES MAXIMUM |
AKPX | POLE QUANTITY | 3 |
TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION AND 81349--39019/05 SPECIFICATION |
CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE, TWO, AND THREE LINKED |
THSD | THREAD SERIES DESIGNATOR | UNEF |
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 | INSTANTANEOUS ALL LOCATIONS |
ADTV | CASE MATERIAL | PLASTIC |
CPRQ | RESET METHOD | MANUAL |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 5.0 AMPERES DC ALL LOCATIONS |
ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-39019 GOVERNMENT SPECIFICATION AND 39019/05 GOVERNMENT SPECIFICATION |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 135.0 ALL LOCATIONS |
ADAT | BODY WIDTH | 1.937 INCHES MAXIMUM |
CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.625 INCHES NOMINAL |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.950 INCHES MAXIMUM |
TTQY | TERMINAL TYPE AND QUANTITY | 6 SCREW |
CBBL | FEATURES PROVIDED | HIGH INRUSH PROTECTION |
CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
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 |
CMLP | THREAD QUANTITY PER INCH | 32 |