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SPDT and SSR control

nilocsnikle

Jun 11, 2018
2
Joined
Jun 11, 2018
Messages
2
I apologise if this is too simple but I have never worked with SSR's. I want to have an option to control a fan where it is either permanently on or being controlled by the SSR. I think the below works or do I need to have a Diode after the SSR to stop that terminal going live when I am running permanently on? upload_2018-6-11_18-51-21.png
 

kellys_eye

Jun 25, 2010
6,514
Joined
Jun 25, 2010
Messages
6,514
No diode. Will work as you show (assuming 'live out' is the common terminal of the SPDT switch - which I guess it is).
 
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