light source pulsed red LED height / length 43 mm depth 31 mm current consumption max. (no load) 20 mA wave length 660 nm width / diameter 14,8 mm manufacter SKU FSDK 14D9601/S35A type rectangular connection types connector M8 4 pin housing material plastic (ASA, MABS) type through beam sensor actual range Sb 12 m emitter / receiver emitter reverse polarity protection yes protection class IP 67 current consumption typ. 12 mA front (optics) PMMA operating temperature -25 ... +65 °C nominal range Sn 15 m voltage supply range +Vs 10 ... 30 VDC