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 |
|---|---|
| 03538 | LOCKHEED MARTIN CORPORATION DBA MS2 |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.605 INCHES MAXIMUM |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 SINGLE LOCATION |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC-HYDRAULIC SINGLE LOCATION |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
| ABXD | BUSHING LENGTH | 0.380 INCHES MAXIMUM |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 1000.0 DC SINGLE LOCATION |
| AAQL | BODY STYLE | SINGLE POLE TYPE |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.400 MINIMUM AT 200 PCT SINGLE LOCATION AND 4.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SINGLE LOCATION |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AAJE | THREAD PITCH DIAMETERS | +0.3503/+0.3537 INCHES |
| AKPX | POLE QUANTITY | 1 |
| CPRQ | RESET METHOD | MANUAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 WIRE HOOK |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC SINGLE LOCATION |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.875 INCHES NOMINAL |
| AEFN | NONTURN DEVICE LOCATION | AT 12 OCLOCK |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| ADAQ | BODY LENGTH | 1.500 INCHES MAXIMUM |
| ADTV | CASE MATERIAL | METAL |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SINGLE LOCATION |
| ADAT | BODY WIDTH | 0.625 INCHES MAXIMUM |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 2.0 AMPERES DC SINGLE LOCATION |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | GENERAL PURPOSE |