The DEHNguard M ACI 275 FM is a multi-pole surge arrester of type 2, designed according to the standard EN 61643-11. This device provides effective protection for low-voltage consumer installations against surges that can be caused by lightning strikes or other electrical disturbances. The combination of a base unit and plug-in protection modules allows for flexible installation and adaptation to specific requirements. A standout feature of this surge arrester is the integrated ACI switch/arc gap technology, which ensures a high level of device safety. Additionally, the arrester monitoring with Thermo-Dynamics-Control guarantees reliable operation and monitoring of the device. The DEHNguard M ACI is suitable for use in lightning protection zones at interfaces 0B and above, thus offering comprehensive protection in critical areas.

• Integrated ACI switch/arc gap technology for enhanced safety
• Thermo-Dynamics-Control for monitoring device safety
• Suitable for use in lightning protection zones 0B and above
• Mounting on DIN rail for easy installation.