Space-saving installation due to a narrow design width of 6.2 mm. Signaling without additional auxiliary power thanks to a mechanical status display. An optional remote signaling module monitors up to 40 articles without additional wiring. Fast and tool-free installation of the surge protection devices is made possible by push-in connection technology. Safe behavior in case of overload is ensured by an integrated disconnecting device. Fine overvoltage protection is provided by a suppressor diode.