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  1. M

    Variable resistance SSR for boil control?

    This SSR is called a Current SSR. It uses (on the input side) a 4 to 20 ma. control current. At 4 milliamps the output connections are open all the time which would be the off state. With 20 milliamps of input current the output side would be on all the time. There is an internal voltage...
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