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 |
|---|---|
| 90536 | 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 |
|---|---|---|
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS AND 0.055 MINIMUM AT 200 PCT ALL LOCATIONS AND 0.240 MAXIMUM AT 400 PCT ALL LOCATIONS |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.828 INCHES MAXIMUM |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING |
| ABXD | BUSHING LENGTH | 0.380 INCHES MAXIMUM |
| AKPX | POLE QUANTITY | 3 |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC ALL LOCATIONS |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.250 INCHES NOMINAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| CPRP | ULTIMATE TRIP TIME PER POLE IN SECONDS | 3.000 MINIMUM ALL LOCATIONS AND 60.000 MAXIMUM ALL LOCATIONS |
| CPRQ | RESET METHOD | MANUAL |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 5.0 AMPERES DC ALL LOCATIONS |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND HERMETICALLY SEALED |
| ADAT | BODY WIDTH | 1.937 INCHES MAXIMUM |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| ADTV | CASE MATERIAL | METAL |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ADAQ | BODY LENGTH | 1.562 INCHES MAXIMUM |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 WIRE HOOK |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 500.0 DC ALL LOCATIONS |