On 05/08/2020 16:53, Bert Coules wrote:
"newshound" wrote:

But if you really do need to switch DC with serious amps, you want a
proper DC switch, not an AC one.

I hadn't realised that there's a distinction.Â* Thanks.

depending on current, a semiconductor soft switch or even variable speed
controller such as used for RC cars etc might be useful

You can buy a cheap 'servo controller;' to generated the RC signal for them

--
I would rather have questions that cannot be answered...
....than to have answers that cannot be questioned

Richard Feynman