reverse polarity protection yes sensing distance adjustment qTeach current consumption max. (no load) 45 mA manufacter SKU O300.GR-NV1T.72CU alignment optical axis < 2° sensing distance Tw 30 ... 300 mm connection types cable 4 pin, 2 m wave length 630 nm light source pulsed red LED type background suppression front (optics) PMMA voltage supply range +Vs 10 ... 30 VDC housing material plastic (ASA, PMMA) width / diameter 12,9 mm current consumption typ. 30 mA light indicator LED yellow voltage drop Vd < 3 VDC short circuit protection yes sensing range Tb 15 ... 300 mm output function light / dark operate protection class IP 67 output circuit NPN complementary operating temperature -25 ... +60 °C suppression of reciprocal influence yes response time / release time < 1 ms power on indication LED green height / length 32,3 mm depth 23 mm type rectangular output current < 100 mA