GoodWe GW125K-STS-G10 Static Transfer Switch 125 kW

The GW125K-STS-G10 is a static transfer switch designed for commercial and industrial energy storage systems. It enables precise control of inverters and seamless transitions between grid-tied and off-grid modes. In the event of a grid outage, the system automatically switches to off-grid mode, supplying critical loads with power from solar panels or batteries; when grid power is restored, it smoothly transitions back to grid-connected operation.

The switch supports diesel generator integration and can accommodate large loads such as heat pumps and motors. It features a wall-mounted design for easy installation, with an operating temperature range of −35 to +60 °C and IP54 ingress protection. Transfer time between modes is less than 10 milliseconds, ensuring reliable continuity of supply.