I'm going to be controlling 3 x 1A 220VAC solenoid valves with an 25A SSR. What I cannot find out, because of the language difference, is do the cheap Chinese solenoid valves have any level of TVS onboard?
Should I add TVS just to be sure or will the 25A SSR handle any transients produced in the coils?
I perhaps should mention, I've had a 2KW hotplate running via a PID controller and the same type SSR for well over a year with daily use with ZERO problems.
So, am I worrying for no reason or should I add TVS to protect the solenoids etc.?
Thanks
Larry
Should I add TVS just to be sure or will the 25A SSR handle any transients produced in the coils?
I perhaps should mention, I've had a 2KW hotplate running via a PID controller and the same type SSR for well over a year with daily use with ZERO problems.
So, am I worrying for no reason or should I add TVS to protect the solenoids etc.?
Thanks
Larry