nominal range Sn 3 m type through beam sensor height / length 59 mm actual range Sb 2,5 m manufacter SKU FSAM 08D9002 emitter / receiver emitter width / diameter 8 mm current consumption typ. 17 mA type cylindrical threaded front (optics) PC housing material brass nickel plated voltage supply range +Vs 10 ... 30 VDC protection class IP 65 light source pulsed infrared diode wave length 880 nm current consumption max. (no load) 48 mA connection types cable 3 pin, 2 m operating temperature -25 ... +65 °C reverse polarity protection yes