@TracyAllen curious what you were about to say there — post got cut off!
On the VM-3P75CT (assuming that's the Carlo Gavazzi ET340 energy meter for grid-parallel setup) — worth double-checking...
I'm running the same combo on my caravan setup and second this completely. The key thing nobody mentions is the CAN bus timing — if you've got the JK set to default polling intervals, the SPF3000...
The practical side: you'll need to be ruthless about when you charge. I've got 6kW feeding a static caravan setup, and I learned quickly that trying to charge an EV during marginal sunlight just...
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