voltage drop Vd < 1,8 VDC type retro-reflective sensor nominal range Sn 6,8 m voltage supply range +Vs 10 ... 30 VDC short circuit protection yes operating temperature -25 ... +65 °C reverse polarity protection yes light source pulsed red LED connection types connector M8 4 pin output circuit PNP output current < 100 mA housing material plastic (PBT-ASA) depth 15 mm type rectangular height / length 42 mm protection class IP 67 response time / release time < 0,5 ms alignment / soiled lens indicator flashing light indicator front (optics) PMMA actual range Sb 5,5 m manufacter SKU FPDK 20P5101/S35A light indicator LED yellow current consumption typ. 22 mA polarization filter yes width / diameter 20 mm current consumption max. (no load) 25 mA suppression of reciprocal influence yes wave length 660 nm sensitivity adjustment potentiometer, 270° output function light / dark operate