Safety switching device (standalone), inputs 2-channel wiring with/without cross-circuit detection, 4 muting sensors, outputs: 3 NO, 1 NC, 5 HL, automatic/monitored start, UB = 24 V DC, width: 90 mm, plug-in terminals with screw technology, device for short-term bridging of safety functions, muting, monitoring of muting lamps and their automatic switching.