Does anybody know the difference between an optocoupler and a Solid State Relay?
Thank you very much!
Kind Regards, Mat=EDas
Difference between an optocoupler and a SSR
Apr 28, 2009
4 Replies
Yes. Google does.
You can't have a sense of humor, if you have no sense!
The last one is a special version of the first one.
Why should there be a difference? most that I know of integrate a opto-coupler for isolated control of the solid state switch.
In other words, consider a SSR having a optocoupler in it.
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An SSR typically carries heavy loads and likely incorporates an optocoupler and possibly also zero-voltage / current switching circuitry.
An optocoupler is a low power device designed simply to galvanically isolate a control input and output.
Graham
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