Electromotoric actuator for the operation of Siemens 2-port and 3-port valves, types VVF.., VVG.., OF.. And VXG.. with 20 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. With die-cast aluminium housing and yoke for valves with 20 mm stroke. Optional function with one auxiliary switch. With manual control.