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 |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 138.0 SINGLE LOCATION |
| AAQL | BODY STYLE | SINGLE POLE TYPE |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 TAB W/SCREW |
| ABHP | OVERALL LENGTH | 2.172 INCHES NOMINAL |
| CPRQ | RESET METHOD | AUTOMATIC |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 1.813 INCHES NOMINAL |
| AKPX | POLE QUANTITY | 1 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 8.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| APNQ | ARC QUENCHING METHOD | AIR |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 30.0 DC SINGLE LOCATION |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.031 INCHES NOMINAL |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.344 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SHOCK RESISTANT AND CORROSION RESISTANT AND DUSTTIGHT AND VIBRATION RESISTANT |
| CPRJ | TRIP RELEASE METHOD | THERMAL SINGLE LOCATION |
| PKWT | UNPACKAGED UNIT WEIGHT | 1.000 OUNCES |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 35.0 AMPERES DC SINGLE LOCATION |
| ADTV | CASE MATERIAL | METAL |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 600.0 DC SINGLE LOCATION |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| ADAT | BODY WIDTH | 0.703 INCHES NOMINAL |