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 |
| FREQ |
FREQUENCY IN HERTZ |
400.0 ALL LOCATIONS |
| ADAT |
BODY WIDTH |
1.281 INCHES MAXIMUM |
| AJWX |
MOUNTING SURFACE TO TERMINAL END DISTANCE |
1.828 INCHES MAXIMUM |
| CQWN |
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT |
0.055 MINIMUM AT 200 PCT ALL LOCATIONS AND 0.950 MAXIMUM AT 200 PCT ALL LOCATIONS |
| AKPX |
POLE QUANTITY |
2 |
| CPSM |
INTERNAL TRIP RELEASE CONFIGURATION |
SERIES TRIP FIRST LOCATION |
| THSD |
THREAD SERIES DESIGNATOR |
UNEF |
| CPLM |
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE |
20.0 AMPERES AC ALL LOCATIONS AND 20.0 AMPERES DC ALL LOCATIONS |
| ABXD |
BUSHING LENGTH |
0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| CPRR |
MAIN CONTACT TRIPPING MECHANISM TYPE |
TRIP FREE |
| CQJX |
NOMINAL THREAD SIZE |
0.375 INCHES |
| CPRL |
TRIP RELEASE CHARACTERISTIC |
TIME DELAY ALL LOCATIONS |
| CPRF |
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS |
240.0 AC ALL LOCATIONS AND 50.0 DC ALL LOCATIONS |
| CPRQ |
RESET METHOD |
MANUAL |
| CPRG |
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS |
300.0 AC FIRST LOCATION AND 500.0 DC FIRST LOCATION |
| TTQY |
TERMINAL TYPE AND QUANTITY |
4 WIRE HOOK |
| CPRJ |
TRIP RELEASE METHOD |
MAGNETIC ALL LOCATIONS |
| ADTV |
CASE MATERIAL |
METAL |
| CPRH |
CIRCUIT PROTECTION TYPE |
OVERCURRENT ALL LOCATIONS |
| AEBQ |
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH |
0.625 INCHES NOMINAL |
| CPRT |
MANUAL ACTUATOR TYPE AND QUANTITY |
1 TOGGLE |
| AXHR |
MOUNTING FACILITY TYPE AND QUANTITY |
1 THREADED BUSHING W/PANEL SEAL |
| ADAQ |
BODY LENGTH |
1.562 INCHES MAXIMUM |
| AAQL |
BODY STYLE |
MULTIPOLE-SINGLE ACTUATOR TYPE |
| AEBP |
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH |
0.906 INCHES MAXIMUM |
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