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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| ABKW | OVERALL HEIGHT | 2.610 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 WIRE HOOK AND 3 TAB, SOLDER LUG |
| ABMK | OVERALL WIDTH | 0.620 INCHES NOMINAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC SINGLE LOCATION |
| ABHP | OVERALL LENGTH | 1.560 INCHES NOMINAL |
| AKPX | POLE QUANTITY | 1 |
| CPRQ | RESET METHOD | MANUAL |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC SINGLE LOCATION |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | HERMETICALLY SEALED |
| ADTV | CASE MATERIAL | METAL |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 1.0 AMPERES DC SINGLE LOCATION |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 SINGLE LOCATION |