How to attach DIN rail contactor to OpenEVSE

Due to constant Stuck Relay errors in OpenEVSE, I needed to replace the contactor. Suggested contactors are attached to DIN rail. How to attach such contactor to OpenEVSE?

The easiest thing would be to replace the contactor like for like:

That doesn’t work for 3 phase installation, that’s why you instructed me to purchase a Schneider DIN contactor in the other thread :grin: