Hello Wrenches, A customer has 3250 Watt PV array @ 139Voc. The PV controller is Magnum PT100. He wants to install a Grundfos SQFlex pump and be able to switch the DC from the PV controller to run the pump directly. He would like to switch midday after the battery (48V) is at a high SoC.
I’m looking for a switching arrangement to do this without arcing since it will be used a few times each week. Any have a recommendation? Thank you, Larry Crutcher Starlight Solar Power Systems
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