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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADAT | BODY WIDTH | 3.343 INCHES NOMINAL |
| FREQ | FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| AKPX | POLE QUANTITY | 3 |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 2.937 INCHES NOMINAL |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 2.625 INCHES NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CIRCUIT BREAKER |
| CQJX | NOMINAL THREAD SIZE | 0.216 INCHES |
| AGAV | END ITEM IDENTIFICATION | VIRGINA CLASS SUBMARINE |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 5000.0 AC ALL LOCATIONS |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 CLIP |
| CPRL | TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE AND 6 CLIP |
| ADAU | BODY HEIGHT | 3.375 INCHES NOMINAL |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| AJEC | BOSS HEIGHT | 0.125 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | AQB-A51 TYPE AND NQB-A51 TYPE |
| ADAQ | BODY LENGTH | 4.125 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | THE AQB-A51 IS A FORM, FIT AND FUNCTION REPLACEMENT FOR THE AQB-A50 CIRCUIT BREAKER WITH ENHANCED OVERCURRENT PROTECTION FEATURES |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.125 INCHES NOMINAL |
| CPRH | CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| AAQL | BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 500.0 AC ALL LOCATIONS |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 0.625 INCHES NOMINAL |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 50.0 AMPERES AC ALL LOCATIONS |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-17361/1A GOVERNMENT SPECIFICATION |