Features: Housing: Rectangular Housing: Standard design Dimensions (W x H x D): 40 mm x 40 mm x 118 mm Sensing range Sn :20 mm Safe sensing range Sa 16.2 mm Installation type: Flush Switching frequency: 150 Hz Connection type: Cable gland Switching output: PNP Output function: NO Electrical wiring: DC 3-wire Enclosure rating: IP67, IP68, IP69K Special applications: Difficult application conditions