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 |
|---|---|
| 51918 | SQUARE D CO AUTOMATION AND CONTROL B |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| PRMT | PRECIOUS MATERIAL | SILVER |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 2 TOGGLE |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 40.0 AMPERES AC ALL LOCATIONS |
| AKPX | POLE QUANTITY | 2 |
| ABMK | OVERALL WIDTH | 1.875 INCHES NOMINAL |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| ABHP | OVERALL LENGTH | 4.281 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.500 INCHES NOMINAL |
| PMLC | PRECIOUS MATERIAL AND LOCATION | CONTACT SURFACES SILVER |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 105.0 ALL LOCATIONS |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 240.0 AC ALL LOCATIONS |
| ADTV | CASE MATERIAL | PLASTIC |
| AAQL | BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
| CPRQ | RESET METHOD | MANUAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 SCREW AND 2 CLIP |
| CPRJ | TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 600000.0 AC ALL LOCATIONS |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 25.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE AND TWO LINKED |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.150 MINIMUM AT 135 PCT ALL LOCATIONS AND 0.250 MINIMUM AT 180 PCT ALL LOCATIONS AND 0.800 MINIMUM AT 250 PCT ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 TERMINAL |