Contactor to switch 24v on

simon-0116 · Jan 7, 2021

Looking for small contactor with auxiliaries

230 v supply to switch on a 24v load.

Customer changed boiler to a 3ph boiler and contactor / switch live is 24v.

So I want to use existing 230v switch live to pull in a contactor which I can put 24v switch wires in auxiliaries side.

Normally use a normal 3pole contactor with auxiliaries but there too big.

What do you usually use.

Thanks

Sharpend · Jan 7, 2021

A three phase boiler? Is this in a commercial environment, or do you mean a single phase 230v?

kerching · Jan 7, 2021

Why do you want to put the 24v on the auxiliaries?

just curious

roys · Jan 8, 2021

What’s the load on the 24V,? AC or DC? Inductive or just resistive?

If it is just a small resistive load then just use a 240V suitably rated relay.

If it is above the ratings of a relay then you will just need to get a suitably rated contactor.

More details required.

simon-0116 · Feb 6, 2021

Thanks for reply. Sorted that problem now

Sharpend · Feb 6, 2021

That’s good that you sorted it but may you enlighten us as to how and what the problem was?

Contactor to switch 24v on

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Contactor to switch 24v on

Help Support Talk Electrician Forum:

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