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Sungrow's SR20D-M: Enhancing PV Safety with Rapid Shutdown Technology

Mar 05, 2025

Sungrow has introduced the SR20D-M PV Rapid Shutdown Equipment, a cutting-edge solution designed to improve the safety and efficiency of solar power systems. This innovation ensures quick response times and seamless integration for both residential and large-scale solar installations.

The SR20D-M features a 20-second rapid shutdown function, including a 10-second pre-alert, enhancing proactive protection in case of emergencies. Its patented FHC Bypass Technology minimizes energy losses and prevents overheating, ensuring system reliability. Additionally, with 350-meter PLC communication capability, the device provides robust coverage across various solar setups, from rooftops to expansive solar farms.

Beyond safety, the SR20D-M is designed for easy installation and maintenance. It supports a 20A high-current design, making it compatible with mainstream solar modules. The patented Snap Fit installation system eliminates the need for tools, reducing installation time by 45%. Furthermore, maintenance can be performed without disassembly, significantly lowering O&M costs.

Sungrow continues to lead in solar safety and efficiency, providing innovative solutions that enhance system performance and reliability while simplifying operations. The SR20D-M PV Rapid Shutdown Equipment is a game-changer for ensuring safety in solar energy systems worldwide.