GoodWe GW125K-GT-AFCI 125 kW Three-Phase String Inverter with 10 MPPTs

The GoodWe GW125K-GT-AFCI is a three-phase string inverter rated at 125 kW nominal AC output, designed for large-scale commercial and industrial photovoltaic installations. It features 10 independent maximum power point trackers (MPPTs) with 20 DC inputs, supporting up to 21 A per DC string for optimized energy harvest with high-power modules.

The inverter delivers a maximum efficiency of 99.0% and includes integrated Type II surge protection on both DC and AC sides for enhanced safety. Optional features include AFCI (Arc Fault Circuit Interrupter) protection, PID recovery, emergency power-off, and rapid shutdown. It operates with IP66 ingress protection and supports 150% DC input oversizing and 110% AC output overloading with no derating at 45°C ambient temperature.

Communication options include RS485, WiFi, LAN, and optional 4G or PLC connectivity via Modbus-RTU (SunSpec compliant). The lightweight design (88 kg) with dimensions of 930 × 650 × 300 mm and smart fan cooling enables straightforward installation and maintenance in demanding environments.