This 7S-SM-QM electric operating mechanism is a compatible retrofit spare part for SM6 QM medium voltage ring main unit(RMU). It is designed for upgrading manually operated SM6 cabinets to remote electrical operation, widely used in power distribution substation, industrial power system and renewable energy projects.
1. DC48V control voltage
2. Electric remote operation + manual emergency operation
3. Complete assembly with motor, transmission, auxiliary switches and pre-wiring
4. Direct replacement for aging original mechanism, no need to replace full RMU cabinet
Medium voltage distribution network, RMU maintenance, manual cabinet motorization retrofit, solar & battery energy storage power projects.
Important Note: Compatibility must be confirmed according to your cabinet model, mounting dimension and control circuit before ordering. Please send cabinet photos and nameplate data for pre-validation.