National Stock Number (NSN) Output Data
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.
Reference/Part Number
CAGE Information
| Code |
Company |
| 81349 |
MILITARY SPECIFICATIONS PROMULGATED |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CPRF |
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS |
240.0 AC SINGLE LOCATION AND 50.0 DC SINGLE LOCATION |
| CQXF |
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED |
MOISTURE RESISTANT AND CORROSION RESISTANT AND FUNGUS RESISTANT AND WATER RESISTANT |
| CPLM |
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE |
10.0 AMPERES AC SINGLE LOCATION AND 10.0 AMPERES DC SINGLE LOCATION |
| CPRH |
CIRCUIT PROTECTION TYPE |
OVERCURRENT SINGLE LOCATION |
| AXHR |
MOUNTING FACILITY TYPE AND QUANTITY |
1 THREADED BUSHING |
| AAQL |
BODY STYLE |
SINGLE POLE TYPE |
| FREQ |
FREQUENCY IN HERTZ |
60.0 SINGLE LOCATION OR 400.0 SINGLE LOCATION |
| THSD |
THREAD SERIES DESIGNATOR |
UNEF |
| ABXD |
BUSHING LENGTH |
0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| AGAV |
END ITEM IDENTIFICATION |
TACTICAL AIR DEFENSE RADAR SYSTEM (TADRS) |
| CPSM |
INTERNAL TRIP RELEASE CONFIGURATION |
SERIES TRIP SINGLE LOCATION |
| CQWN |
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT |
0.500 MINIMUM AT 200 PCT SINGLE LOCATION AND 9.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| TTQY |
TERMINAL TYPE AND QUANTITY |
2 TAB W/SCREW |
| CPRR |
MAIN CONTACT TRIPPING MECHANISM TYPE |
TRIP FREE |
| CQJX |
NOMINAL THREAD SIZE |
0.375 INCHES |
| CPRJ |
TRIP RELEASE METHOD |
MAGNETIC SINGLE LOCATION |
| PKWT |
UNPACKAGED UNIT WEIGHT |
50.000 GRAMS |
| CTTC |
THREAD TOLERANCE CLASS |
2A EXTERNAL |
| AKPX |
POLE QUANTITY |
1 |
| CPRQ |
RESET METHOD |
MANUAL |
| FEAT |
SPECIAL FEATURES |
MOUNTING BUSHING HAS ON-OFF IDENTIFICATION PLATE; MOUNTING BUSHING HAS KEYWAY 0.058 TO 0.068 INCH WIDTH BY 0.025 TO 0.035 INCH DEPTH |
| AJWX |
MOUNTING SURFACE TO TERMINAL END DISTANCE |
1.810 INCHES MAXIMUM |
| CPRW |
ACTUATOR FUNCTION |
TRIP-RESET |
| CPRN |
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT |
135.0 SINGLE LOCATION |
| CPRX |
ACTUATOR POSITION DESIGNATION |
AT POLE ONE |
| CPRT |
MANUAL ACTUATOR TYPE AND QUANTITY |
1 TOGGLE |
| ADAQ |
BODY LENGTH |
1.562 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CPRL |
TRIP RELEASE CHARACTERISTIC |
TIME DELAY SINGLE LOCATION |
| ADAT |
BODY WIDTH |
0.625 INCHES MAXIMUM |
| AEBP |
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH |
0.906 INCHES MAXIMUM |
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