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 |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 1.000 AMPERES AC ALL LOCATIONS AND 1.000 AMPERES DC ALL LOCATIONS |
BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
ADAT | BODY WIDTH | 1.281 INCHES MAXIMUM |
PKWT | UNPACKAGED UNIT WEIGHT | 100.0 GRAMS |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.828 INCHES MAXIMUM |
FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS OR 400.0 ALL LOCATIONS |
AKPX | POLE QUANTITY | 2 |
AEFQ | NONTURN DEVICE LENGTH | 0.063 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNEF |
AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
ABXD | BUSHING LENGTH | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
CPRX | ACTUATOR POSITION DESIGNATION | BETWEEN POLE ONE AND TWO |
CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC ALL LOCATIONS AND 500.0 DC ALL LOCATIONS |
AEFR | NONTURN DEVICE WIDTH | 0.030 INCHES NOMINAL |
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 |
CPRQ | RESET METHOD | MANUAL |
TTQY | TERMINAL TYPE AND QUANTITY | 4 WIRE HOOK |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 135.0 ALL LOCATIONS |
CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-39019/3 GOVERNMENT SPECIFICATION |
AEFN | NONTURN DEVICE LOCATION | AT 12 OCLOCK |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
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 |
TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION |
CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 5.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
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 |
CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | GENERAL PURPOSE |