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DC Motor Speed Control

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  • MVP 2023

You can do this, but you need a DC MOSFET SSR.  A regular one won't turn off, as the triacs in it are waiting for the supply to cross zero volts.  Which won't happen.


Your motor will draw 21 amps, so get a 40 amp unit.  You'll need to mount it on a heatsink.

Joe T.


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