current consumption typ. 20 mA emitter / receiver receiver current consumption max. (no load) 20 mA output indicator LED yellow output function light / dark operate manufacter SKU FECK 07N6901 reverse polarity protection yes width / diameter 8 mm type through beam sensor response time / release time < 0,5 ms connection types cable rear side, 2 m height / length 16,2 mm depth 10,8 mm actual range Sb 2 m output current < 100 mA light indicator LED green type rectangular nominal range Sn 2,5 m front (optics) PMMA sensitivity adjustment Teach-in voltage supply range +Vs 10 ... 30 VDC short circuit protection yes voltage drop Vd < 1,8 VDC protection class IP 65 alignment / soiled lens indicator flashing light indicator housing material plastic (PMMA, MABS, PA) operating temperature -20 ... +50 °C output circuit NPN