Available. The Finder 7P.21.8.275.1020 is a Type 2 surge protection device (SPD) designed to safeguard electrical equipment from overvoltage events caused by lightning strikes or switching transients. This single-phase surge arrester is suitable for 230V AC systems and features a replaceable varistor module, ensuring ease of maintenance and prolonged service life. The device offers visual and remote signaling of varistor status, providing clear indications of operational health. It is compliant with EN 61643-11 standards and is intended for installation on a 35mm DIN rail (EN 60715), facilitating straightforward integration into existing electrical panels. The 7P.21.8.275.1020 is ideal for applications requiring reliable surge protection, such as control panels, industrial machinery, and sensitive electronic equipment.