Safety switches, IME2S, IME2S18-05B4DC0, Design: Cylindrical, Sensing range Sn: 5 mm, Dimensions: M18 x 69 mm, Thread length: 44.2 mm, Installation type: Flush, Connection type Detail: Male connector M12, 4-pin, Type of output: Self-monitoring semiconductor outputs (OSSDs), Performance level: PL d