Overvoltage protection. Measure, control, and regulate with message function and display. Monitoring function with status display and message function. Plug-in arrester with uninterruptible and impedance-neutral plugging or unplugging. Testable by test device V-TEST. High transmission rates with low attenuation values. Space-saving design with signaling function without additional space requirement. Applicable according to erection standard IEC 62305 (D1, C1, and C2). Integrated PE foot safely discharges up to 20 kA (8/20 μs) and 2.5 kA (10/350 μs) to PE. Colored marking of voltage levels for quick identification in the control cabinet. Safety function by coding element for different voltage levels.