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miguelm

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    miguelm reacted to Scorp007 in Solar : switch for 4 geysers   
    If I understand you correctly you are afraid you will send more than the inverter MCB to non essential. This will imply you have a very large PV system. This means more than 5kW of excess power to send to the non essential side? 
    I would just go and use 4 Sonoff type smart switches as Wolfandy suggested. Leave 3 minutes of dead time between them and only 1 would get power at a time. 
    Easy to disable on low sun periods like on whole day rain from your phone. 
  2. Like
    miguelm reacted to wolfandy in Solar : switch for 4 geysers   
    If you want a single device, then I would suggest the SONOFF Smart Stackable Power Meter
    Alternatives would be 4x Sonoff POW (either 16A or 20A). Using these, I do not see a real risk of their time settings getting out of synch as they all rely on the same server

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