Originally Posted by stevehaun
My PID is set up on 1 sec cycles. I don't think a contactor would last very long being switched once a second. I use contactors for a hard on/off and SSRs for control.
1 sec cycle time does not mean the PID is continuously switching ON/OFF every second.
Originally Posted by gunner65
We use them in our lab for high voltage lightning surges. For brewing simple I would stick with an SSR.
I have used them on molding machines and the single and dual coil versions I have start at $85.00.
The SSR is a better choice for us hombrewers, cheaper and not so bulky.