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 |
|---|---|
| 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
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 | 60.0 SINGLE LOCATION |
| PRMT | PRECIOUS MATERIAL | SILVER |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| CPRZ | AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
| AAQL | BODY STYLE | SINGLE POLE TYPE |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 THREADED STUD |
| ADAT | BODY WIDTH | 0.750 INCHES NOMINAL |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.250 MINIMUM AT 200 PCT SINGLE LOCATION AND 1.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.062 INCHES NOMINAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC SINGLE LOCATION |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.969 INCHES NOMINAL |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 1.0 AMPERES AC SINGLE LOCATION |
| ADAQ | BODY LENGTH | 2.500 INCHES NOMINAL |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC SINGLE LOCATION |
| ADTV | CASE MATERIAL | PLASTIC |
| AKPX | POLE QUANTITY | 1 |
| PMLC | PRECIOUS MATERIAL AND LOCATION | CONTACT SURFACE SILVER |
| AJEC | BOSS HEIGHT | 0.140 INCHES NOMINAL |
| CPRQ | RESET METHOD | MANUAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.938 INCHES NOMINAL |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CRTK | SWITCH TERMINAL TYPE | TURRET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 SINGLE LOCATION |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 1000.0 AC SINGLE LOCATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | GENERAL PURPOSE |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |