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 |
|---|---|
| 39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADAT | BODY WIDTH | 1.500 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 50.0 ALL LOCATIONS OR 60.0 ALL LOCATIONS |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES AC ALL LOCATIONS |
| AKPX | POLE QUANTITY | 2 |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 1500.0 AC ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 THREADED STUD |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| ADAQ | BODY LENGTH | 2.500 INCHES NOMINAL |
| CPRQ | RESET METHOD | MANUAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC ALL LOCATIONS |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |