A40405 - Valve actuator 24 V On/Off (NC)

Valve actuator A40405 is intended for On/Off operation of valves. The actuator is mounted with the aid of valve adapter rings that enable problem-free installation of the various adjustment and mixing valves that are available on the market. 

Function 

The 24 VAC On/Off signal is pulsed to a 0-4 mm movement (stroke length). 

The valve actuator is equipped with function indication. A blue band around the projecting extension on the top shows how much the actuator is activated (open). 

Radiator valve A40405 is closed when the power is off.