reverse polarity protection yes, supply only light indicator LED yellow version line beam height / length 27 mm connection types connector M8 4 pin sensing distance Tw 22 ... 130 mm manufacter SKU OHDK 10N5150/S35A type background suppression output circuit NPN repeat accuracy < 0,2 mm at laser focus housing material plastic (ASA) output function light / dark operate short circuit protection yes voltage supply range +Vs 11 ... 30 VDC protection class IP 67 depth 16,3 mm distance to focus 40 mm voltage drop Vd < 1,8 VDC wave length 650 nm output current < 70 mA sensing range Tb (at Tw max.) 3 ... 130 mm current consumption typ. 25 mA response time / release time < 0,25 ms laser class 1 sensing distance adjustment mechanical, 5 turn sensing range Tb (at Tw min.) 3 ... 22 mm operating temperature -10 ... +50 °C light source pulsed red laser diode current consumption max. (no load) 30 mA width / diameter 10,4 mm front (optics) PMMA suppression of reciprocal influence yes type rectangular power on indication LED green