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 |
|---|---|
| 21810 | CHALLENGER ELECTRICAL EQUIPMENT CORP |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABKW | OVERALL HEIGHT | 3.875 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 150000.0 AC ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| ABHP | OVERALL LENGTH | 17.125 INCHES NOMINAL |
| AKPX | POLE QUANTITY | 3 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| CBBL | FEATURES PROVIDED | ADJUSTABLE TRIP RELEASE |
| ADTV | CASE MATERIAL | PLASTIC |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| FEAT | SPECIAL FEATURES | INCLUDES UNDERVOLTAGE TRIP AT 120 VOLTS DC |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 480.0 AC ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 200.0 AMPERES AC ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 COMPRESSION |
| CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| ABMK | OVERALL WIDTH | 8.250 INCHES NOMINAL |
| CPSF | ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS | +1000.0/+2000.0 AC ALL LOCATIONS |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | GENERAL PURPOSE |