Quote Originally Posted by Jonathan View Post
Personally, one of these:
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Or, if you can spare £1 on eBay, a 25A SSR:

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I didn't have much joy using an SSR to switch my toroid supply on. Can't quite remember what it did now but something didn't work. I then read they aren't good with these types of loads. They also fail ON. Swapped it out for branded contactor (controlled by 24V logic on an estop circuit) and it works fine. Thanks to a kind forum member for sending me that part FOC !
Would go the contactor route if I ever built another. The inrush current bothered me but then it not really my area to comment in detail.

The mains switch made me chuckle. Should also be fine but then it's not part of a safety circuit if you want to have that feature in your system