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 | 4.062 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 9.500 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| AKPX | POLE QUANTITY | 3 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 150.0 AMPERES AC ALL LOCATIONS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS |
| CBBL | FEATURES PROVIDED | ADJUSTABLE TRIP RELEASE |
| ADTV | CASE MATERIAL | PLASTIC |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 40.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| APNQ | ARC QUENCHING METHOD | AIR |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 22000.0 AC ALL LOCATIONS |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.190 INCHES NOMINAL |
| CPSF | ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS | +900.0/+1500.0 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 | 4.125 INCHES NOMINAL |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 600.0 AC ALL LOCATIONS |