Part Number
Part Number:
NSN:
NIIN:
Item Name:
CIRCUIT BREAKER
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 |
|---|---|
| 23991 | LOCKHEED MARTIN CORPORATION DIV 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 | 1000.0 AC ALL LOCATIONS |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| AKPX | POLE QUANTITY | 4 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES AC ALL LOCATIONS |
| ADAQ | BODY LENGTH | 2.468 INCHES MINIMUM AND 2.532 INCHES MAXIMUM |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP FIRST LOCATION |
| TTQY | TERMINAL TYPE AND QUANTITY | 8 THREADED STUD |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC THIRD LOCATION |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.150 MINIMUM AT 200 PCT FIRST LOCATION AND 1.500 MAXIMUM AT 200 PCT FIRST LOCATION |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.906 INCHES MINIMUM AND 1.970 INCHES MAXIMUM |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP SECOND LOCATION |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 4 TOGGLE |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.688 INCHES MINIMUM AND 2.752 INCHES MAXIMUM |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP THIRD LOCATION |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC SECOND LOCATION |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE, TWO, THREE, AND FOUR LINKED |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 12.0 AC FOURTH LOCATION |
| ADTV | CASE MATERIAL | PLASTIC |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 8 THREADED HOLE |
| CPRQ | RESET METHOD | MANUAL |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.030 INCHES MINIMUM AND 2.094 INCHES MAXIMUM |
| ADAT | BODY WIDTH | 2.968 INCHES MINIMUM AND 3.032 INCHES MAXIMUM |
| AJEC | BOSS HEIGHT | 0.108 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.150 MINIMUM AT 200 PCT SECOND LOCATION AND 1.500 MAXIMUM AT 200 PCT SECOND LOCATION |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CPRJ | TRIP RELEASE METHOD | MAGNETIC-HYDRAULIC ALL LOCATIONS |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY FIRST LOCATION |
| BBRJ | SPECIAL HANDLING FEATURE | FRAGILE |
| PKWT | UNPACKAGED UNIT WEIGHT | 12.500 OUNCES |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.150 MINIMUM AT 200 PCT THIRD LOCATION AND 1.500 MAXIMUM AT 200 PCT THIRD LOCATION |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| AAQL | BODY STYLE | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | RELAY TRIP FOURTH LOCATION |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS FOURTH LOCATION |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY SECOND LOCATION |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.722 INCHES MINIMUM AND 0.782 INCHES MAXIMUM |
| CPRL | TRIP RELEASE CHARACTERISTIC | TIME DELAY THIRD LOCATION |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 250.0 AC FIRST LOCATION |