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 |
|---|---|---|
| FREQ | FREQUENCY IN HERTZ | 47.0 ALL LOCATIONS OR 63.0 ALL LOCATIONS |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| AKPX | POLE QUANTITY | 3 |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.240 INCHES MAXIMUM |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 10.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 150.000 MAXIMUM AT 200 PCT ALL LOCATIONS |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 300.0 AC ALL LOCATIONS |
| AEFS | NONTURN DEVICE DIAMETER | 0.161 INCHES MAXIMUM |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.755 INCHES NOMINAL |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC ALL LOCATIONS |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.550 INCHES MAXIMUM |
| ADAT | BODY WIDTH | 2.270 INCHES MAXIMUM |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| AEFQ | NONTURN DEVICE LENGTH | 0.150 INCHES MAXIMUM |
| AEFP | NONTURN DEVICE RADIUS | 0.661 INCHES MAXIMUM |
| ABXD | BUSHING LENGTH | 0.390 INCHES MAXIMUM |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| AEFN | NONTURN DEVICE LOCATION | AT 12 OCLOCK |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| AGAV | END ITEM IDENTIFICATION | 6920-01-128-1306 |
| ADAQ | BODY LENGTH | 2.050 INCHES MAXIMUM |
| 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 |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 30.0 AMPERES DC ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 3 TAB W/SCREW |