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 |
|---|---|
| 58475 | WESTWOOD CORPORATION DBA NMP DIVISIO |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 5.562 INCHES NOMINAL |
| ADAU | BODY HEIGHT | 5.125 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| ADAQ | BODY LENGTH | 6.500 INCHES NOMINAL |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 500.0 AC ALL LOCATIONS AND 250.0 DC ALL LOCATIONS |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS OR 400.0 ALL LOCATIONS |
| AKPX | POLE QUANTITY | 3 |
| CPRZ | AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CPRJ | TRIP RELEASE METHOD | THERMAL ALL LOCATIONS |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| CSSX | SWITCH CURRENT RATING AND TYPE IN AMPS | 50.0 AC AND 50.0 DC |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 2.750 INCHES NOMINAL |
| AEGJ | SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 50.0 AMPERES AC ALL LOCATIONS AND 50.0 AMPERES DC ALL LOCATIONS |
| AJEC | BOSS HEIGHT | 0.188 INCHES NOMINAL |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 15000.0 AC ALL LOCATIONS AND 10000.0 DC ALL LOCATIONS |
| CQSM | SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE ONE |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.375 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| APNQ | ARC QUENCHING METHOD | AIR |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL |
| CRTK | SWITCH TERMINAL TYPE | SCREW |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | RELAY TRIP ALL LOCATIONS |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.625 INCHES NOMINAL |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 SCREW |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 150.0 ALL LOCATIONS |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 150.000 NOMINAL AT 200 PCT ALL LOCATIONS |
| ADAT | BODY WIDTH | 4.125 INCHES NOMINAL |
| CSWP | SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 500.0 AC AND 250.0 DC |