Space-saving installation due to narrow design width of 6.2 mm. Signaling without additional auxiliary power thanks to mechanical status display. Optional remote signaling module monitors up to 40 articles without additional wiring. Fast and tool-free installation of the surge protection devices thanks to push-in connection technology. No interference with the signal during maintenance work thanks to impedance-neutral plugging and unplugging of the protective plugs. Error-free replacement of protective plugs thanks to coding. Simple interruption of signal circuits for maintenance work thanks to vertical blade disconnection. Safe behavior in case of overload thanks to integrated disconnection device.