ALSD400C1S1M2 Switch Box
The valve top controller is an optimizing solution to integrate mechanical sensors, solenoid coil and spool valve together and use for on/off valve control and position sensing in the process industries.
![ALSD400](https://www.alphacontrols.co.uk/wp-content/uploads/2016/03/ALSD400.jpg)
The valve top controller is an optimizing solution to integrate mechanical sensors, solenoid coil and spool valve together and use for on/off valve control and position sensing in the process industries.