Good morning
Have a Shelly 3EM 3-phase meter here waiting for the electrician to be installed…but have two question regarding this model and I don’t want just for this subscribe to some other forum (o;
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What is the 4th current sensor for which goes over the neutral line?
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How accurate are the power readings when a 3-phase device is connected without neutral compared to a normal device with just using one phase and neutral?
thanks in advance
richard