Cerbo GX Single Pole Double Throw?

DIY
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1

Hi,

I wanted to ensure the cerbo gx relays are single pole double throw.

I have a valve I want to control that has 3 wires. #1 connect to negative. #2 connects to positive for valve to be open and #3 connects to positive for valve to be closed. Can I connect #2 and #3 on either side of a single relay? If so what would be the voltage supplied?

2

They’re potential-free contacts, so the Cerbo isn’t supplying any voltage. You supply the voltage/signal through the COM input, and that voltage/signal is switched out through the NC and/or NO outputs.

Important to note the relay handling limitations as listed in the specs as well: 21. Technical specifications

3

Thanks! I figured this out just before reading this post.

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