current consumption typ. 20 mA sensitivity adjustment potentiometer, 240° polarization filter yes light source pulsed red LED housing material plastic (ASA) type retro-reflective sensor light indicator LED yellow nominal range Sn 4 m type rectangular wave length 660 nm height / length 27 mm output function light / dark operate reverse polarity protection yes output current < 100 mA front (optics) PMMA manufacter SKU FPDK 10P5135 response time / release time < 0,5 ms width / diameter 10,4 mm output circuit PNP protection class IP 65 current consumption max. (no load) 25 mA actual range Sb 3,5 m operating temperature -25 ... +65 °C voltage drop Vd < 1,8 VDC voltage supply range +Vs 10 ... 30 VDC connection types cable 4 pin, 2 m suppression of reciprocal influence yes short circuit protection yes depth 16,3 mm alignment / soiled lens indicator flashing light indicator