Part Details | CIRCUIT BREAKER
5925-00-078-1957 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.
Alternate Parts: SM3310250VAC60HZ2, SM33-10-250VAC60HZ2, M390190357, M39019/03-57, MILC390193, MIL-C-39019/3, 5925-00-078-1957, 00-078-1957, 5925000781957, 000781957
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | AUG 11, 1967 | 00-078-1957 | 00136 ( CIRCUIT BREAKER ) |
REFERENCE DRAWINGS & PICTURES
MULTIPOLE-SINGLE ACTUATOR TYPE
Cross Reference | NSN 5925-00-078-1957
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SM33-10-250VAC60HZ2 | 74193 | EATON CORPHEINEMANN PRODUCTS |
| M39019/03-57 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-C-39019/3 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5925-00-078-1957
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 2 |
| TERMINAL TYPE AND QUANTITY | 4 WIRE HOOK |
| RESET METHOD | MANUAL |
| BODY STYLE | MULTIPOLE-SINGLE ACTUATOR TYPE |
| CASE MATERIAL | METAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
| MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| BUSHING LENGTH | 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| BODY LENGTH | 1.562 INCHES MAXIMUM |
| BODY WIDTH | 1.281 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.906 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.828 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNEF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ACTUATOR FUNCTION | TRIP-RESET |
| ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND HERMETICALLY SEALED AND MOISTURE RESISTANT |
| TEST DATA DOCUMENT | 81349-MIL-C-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPECIFICATION/STANDARD DATA | 81349-MIL-C-39019-3 GOVERNMENT SPECIFICATION |
| ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| STORAGE TYPE | E ANY ACCEPTABLE |
| UNPACKAGED UNIT WEIGHT | 3.400 OUNCES |
| SPECIAL HANDLING FEATURE | MAGNETIC |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND LOCATION | CONTACT SURFACES SILVER |
| FRAGILITY FACTOR | MODERATELY RUGGED |