The V20 surge arrester made of halogen-free plastic is suitable for surge protection potential equalization according to VDE 0100-443 (IEC 60364-4-44). It features a dynamic disconnection device and an optical status indicator, making it a modular plug-in arrester. The SurgeController is particularly suitable for potential equalization in main and sub-distributions, depending on the type, in the range of TN networks. Thanks to the high-performance varistors, the discharge capacity is up to 40 kA (8/20) per pole. The vibration-resistant locking mechanism and the voltage and type coding ensure safety and prevent confusion between upper and lower parts. The wedge-shaped design of the contacts allows for easy insertion and even easier removal of the upper parts. The QR code on the rating plate enables quick and easy access to additional technical product information using mobile devices.