Solis-EPM3-5G-Plus (used, well looked after, excellent condition) — A smart export power manager for three-phase solar systems that lets you control and limit how much power is sent back to the grid. It works with up to 80 Solis inverters, improves self-consumption, and helps meet local network export rules. It has built-in monitoring and supports flexible load control, with robust protections and reliable performance for residential or commercial PV setups.