try looking at the click smart system they do din rail mount transmitters and recievers
230v switched ( used when someone forgot the switch line to a boiler )
Hi its been a while since college and need some help with a calc.
I have been asked to put in a supply for a old spot welder ,The only info i have is
its 150 kva 2 phase .
I need help to calc amps
i would stick with the rako you can even link up to alexa/google home for voice control.
raco will send an engineer out to do all programing for you if you get stuck not cheap though about £250 for half a day but
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