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 |
---|---|---|
CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | SHOCK RESISTANT AND HERMETICALLY SEALED AND VIBRATION RESISTANT |
BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS SINGLE LOCATION |
CPRJ | TRIP RELEASE METHOD | MAGNETIC-HYDRAULIC SINGLE LOCATION |
CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT SINGLE LOCATION |
CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 150.0 SINGLE LOCATION |
CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 1000.0 DC SINGLE LOCATION |
AAQL | BODY STYLE | SINGLE POLE TYPE |
AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
ADAT | BODY WIDTH | 0.750 INCHES NOMINAL |
ADAQ | BODY LENGTH | 2.000 INCHES NOMINAL |
CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES DC SINGLE LOCATION |
AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 1.530 INCHES NOMINAL |
CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.032 INCHES MAXIMUM |
ADTV | CASE MATERIAL | PLASTIC |
AKPX | POLE QUANTITY | 1 |
CPRQ | RESET METHOD | MANUAL |
CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SHUNT TRIP SINGLE LOCATION |
CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC SINGLE LOCATION |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
THSD | THREAD SERIES DESIGNATOR | UNC |
CPRW | ACTUATOR FUNCTION | TRIP-RESET |
APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 1.660 INCHES NOMINAL |
PKWT | UNPACKAGED UNIT WEIGHT | 2.200 OUNCES |
CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
AAJE | THREAD PITCH DIAMETERS | +0.1177/+0.1214 INCHES |
AJEC | BOSS HEIGHT | 0.130 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 32 |
TTQY | TERMINAL TYPE AND QUANTITY | 3 TAB W/SCREW |
CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |