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 |
| 03538 |
LOCKHEED MARTIN CORPORATION DBA MS2 |
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 |
| PRMT |
PRECIOUS MATERIAL |
SILVER |
| CPLM |
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE |
20.0 AMPERES AC ALL LOCATIONS |
| AKPX |
POLE QUANTITY |
3 |
| ABMK |
OVERALL WIDTH |
2.250 INCHES NOMINAL |
| AEBY |
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH |
2.062 INCHES NOMINAL |
| CQXF |
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED |
MOISTURE RESISTANT AND FUNGUS RESISTANT |
| CPRR |
MAIN CONTACT TRIPPING MECHANISM TYPE |
TRIP FREE |
| ABKW |
OVERALL HEIGHT |
2.500 INCHES NOMINAL |
| ADTV |
CASE MATERIAL |
PLASTIC |
| CPRQ |
RESET METHOD |
MANUAL |
| CPRL |
TRIP RELEASE CHARACTERISTIC |
INSTANTANEOUS ALL LOCATIONS AND TIME DELAY ALL LOCATIONS |
| CPRW |
ACTUATOR FUNCTION |
RESET |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| ABHP |
OVERALL LENGTH |
3.376 INCHES NOMINAL |
| AXHR |
MOUNTING FACILITY TYPE AND QUANTITY |
6 THREADED HOLE |
| CPRJ |
TRIP RELEASE METHOD |
MAGNETIC ALL LOCATIONS |
| CPRN |
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT |
125.0 ALL LOCATIONS |
| APNQ |
ARC QUENCHING METHOD |
MAGNETIC BLOWOUT |
| CQWN |
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT |
1.200 NOMINAL AT 125 PCT ALL LOCATIONS AND 0.250 NOMINAL AT 200 PCT ALL LOCATIONS AND 0.090 NOMINAL AT 300 PCT ALL LOCATIONS |
| CPRH |
CIRCUIT PROTECTION TYPE |
OVERCURRENT ALL LOCATIONS |
| TTQY |
TERMINAL TYPE AND QUANTITY |
6 THREADED STUD |
| CPRF |
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS |
250.0 AC ALL LOCATIONS |
| CPRT |
MANUAL ACTUATOR TYPE AND QUANTITY |
1 TOGGLE |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CQJX |
NOMINAL THREAD SIZE |
0.138 INCHES |
| AEHA |
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH |
0.750 INCHES NOMINAL |
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