actual range Sb 3,5 m front (optics) PMMA light indicator LED yellow short circuit protection yes voltage supply range +Vs 10 ... 30 VDC output current < 100 mA reverse polarity protection yes voltage drop Vd < 1,8 VDC depth 16,3 mm suppression of reciprocal influence yes output function light / dark operate nominal range Sn 4 m current consumption max. (no load) 25 mA current consumption typ. 20 mA polarization filter yes protection class IP 65 output circuit NPN operating temperature -25 ... +65 °C light source pulsed red LED alignment / soiled lens indicator flashing light indicator manufacter SKU FPDK 10N5135 connection types cable 4 pin, 2 m type retro-reflective sensor height / length 27 mm sensitivity adjustment potentiometer, 240° housing material plastic (ASA) width / diameter 10,4 mm type rectangular wave length 660 nm response time / release time < 0,5 ms