Nenutec rotary valve actuator FSAA230-05 AC 230V 5 Nm 2 Point control. Rotary valve actuators with Electronic Fail-Safe® (EFS®) func- tion are designed and produced for extended functionalities in HVAC systems fan coil and laboratory applications.
Electronic Fail-Safe® (EFS®) is able to manage short voltage interruptions for max. 4 seconds. In case of longer voltage interruption they will move the 2 - 3 way valves if necessary to a pre-defined emergency position (EPS).