test input disable emitter: +Vs enable emitter: 0 V current consumption max. (no load) 30 mA protection class IP 67 current consumption typ. 18 mA manufacter SKU FSDM 16D9601 reverse polarity protection yes front (optics) PMMA type through beam sensor emitter / receiver emitter height / length 50 mm width / diameter 15,4 mm depth 50 mm nominal range Sn 10 m light source pulsed red LED housing material die-cast zinc wave length 660 nm type rectangular voltage supply range +Vs 10 ... 30 VDC actual range Sb 8 m operating temperature -25 ... +65 °C connection types cable 3 pin, 2 m