How to connect more than one SSRs to the same controller?

 

Note: The single channel SSR will work as a controlled dry relay switch (single pole). When there is a trigger voltage on pin 3 and 4, the output of SSR will be shorted internally (pin 1 and 2). When there is no trigger voltage, the output of SSR will be open. 

Example 1. Connect two single phase SSRs to the same PID controller (SYL-2352, SWA-2451B). The controller and both elements are powered by 120V AC

 

Example 2. Connect two single phase SSRs to the same PID controller (SYL-2352, SWA-2451B). The controller and both elements are powered by 240V AC

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