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 |
|---|---|
| 98897 | LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 15000.0 DC SINGLE LOCATION |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 15000.0 DC SINGLE LOCATION |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | NONTRIP FREE |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.025 NOMINAL AT 200 PCT SINGLE LOCATION AND 0.060 NOMINAL AT 125 PCT SINGLE LOCATION AND 0.015 NOMINAL AT 300 PCT SINGLE LOCATION |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC SINGLE LOCATION |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.188 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| AKPX | POLE QUANTITY | 1 |
| CPRQ | RESET METHOD | MANUAL |
| CPRH | CIRCUIT PROTECTION TYPE | REVERSE CURRENT SINGLE LOCATION |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 PUSH BUTTON |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 300.0 AMPERES DC SINGLE LOCATION |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 28.0 DC SINGLE LOCATION |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 SCREW AND 2 THREADED STUD |