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The SUN2000-50KTL-M3 is a compact commercial three-phase string inverter rated 50,000 W AC for rooftop and small C&I plants. It features four independent MPPTs and eight DC inputs to handle complex array layouts. The inverter accepts up to 1,100 V DC, uses natural/smart cooling, and reaches peak conversion efficiency around 98.5–98.7% with European efficiency ≈98.0–98.4%. Built for reliability it offers AFCI/arc-fault protection, RCMU/residual current monitoring, SPD protection and integrated PID recovery. Physical footprint and mechanical data follow the official datasheet.