Relays
- jeffie-3
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01 Feb 2016 20:01 #69385
by jeffie-3
Relays was created by jeffie-3
Solid state or mechanical? I assume solid state would be better. But I am not sure. I thought I would ask.
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- Paul
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01 Feb 2016 21:06 #69392
by Paul
Replied by Paul on topic Relays
Probably depends on what they are used for. I use a solid state relay to start/stop a router. I use a mechanical 5v relay to control a plasma torch on/off. I also use a mechanical 12v relay to control my air scribe.
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- andypugh
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02 Feb 2016 15:07 #69453
by andypugh
Mechanical relays are available with normally-closed contacts, whereas solid-state are not (except at very high cost).
Mechanical relays can have interlocked contacts so that you can be sure if one contact is closed then a separate one is open.
Not all solid-state relays can turn off a DC load.
Other than that, I would normally prefer solid-state unless one of the above was important.
Replied by andypugh on topic Relays
Solid state or mechanical? I assume solid state would be better. But I am not sure. I thought I would ask.
Mechanical relays are available with normally-closed contacts, whereas solid-state are not (except at very high cost).
Mechanical relays can have interlocked contacts so that you can be sure if one contact is closed then a separate one is open.
Not all solid-state relays can turn off a DC load.
Other than that, I would normally prefer solid-state unless one of the above was important.
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- jeffie-3
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02 Feb 2016 15:59 #69459
by jeffie-3
Replied by jeffie-3 on topic Relays
Thank you for the answer. Now I have a much better understanding.
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