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 |
|---|---|
| 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGE |
Federal Supply Class
Title
CIRCUIT BREAKERS
Inclusions:
INCLUDES CIRCUIT BREAKERS AND CUTOUTS.
Exclusions:
EXCLUDES RELAYS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AKPX | POLE QUANTITY | 3 |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE, TWO, AND THREE LINKED |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.994 INCHES MINIMUM AND 1.058 INCHES MAXIMUM |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| AJEC | BOSS HEIGHT | 0.187 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 3.172 INCHES MINIMUM AND 3.296 INCHES MAXIMUM |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | 3 TOGGLE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 6 THREADED HOLE AND 6 SLOT |
| ADAT | BODY WIDTH | 3.046 INCHES MINIMUM AND 3.110 INCHES MAXIMUM |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| ADAQ | BODY LENGTH | 5.768 INCHES MINIMUM AND 5.832 INCHES MAXIMUM |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 2.718 INCHES MINIMUM AND 2.782 INCHES MAXIMUM |
| ADTV | CASE MATERIAL | PLASTIC |
| CPRQ | RESET METHOD | MANUAL |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 3.515 INCHES MINIMUM AND 3.579 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 THREADED STUD |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 0.994 INCHES MINIMUM AND 1.058 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | DUSTPROOF |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| ABTD | MOUNTING SLOT WIDTH | 0.138 INCHES NOMINAL |