The Siemens Acvatix actuator SKCSKC32.60 is shown as number 8 in the 2nd image.

Siemens Acvatix actuator SKC.. with console for 3-way valves.

For the operation of Siemens 2-port and 3-port valves, types VVF.. and VXF.. with a 40 mm stroke as control and safety shut-off valves in heating, ventilation and air conditioning systems.

Overload-proof through travel-dependent, electronic switching off in end position (SKC60) or travel-dependent, fixed switching off in end position (SKC32.60 / 82.60)
With die-cast aluminium housing and yoke for valves with 40 mm stroke.
Optional functions with auxiliary switches, potentiometer and stem heater (Number depending on Type)
With manual control.
SKC..U are UL-approved. Control devices MK..6.. are control devices with safety shut-off function per DIN EN 14597.