reverse polarity protection yes manufacter SKU FHDK 14N5101/S35A light source pulsed red LED short circuit protection yes suppression of reciprocal influence yes type rectangular width / diameter 14,8 mm response time / release time < 1 ms connection types connector M8 4 pin sensing range Tb (at Tw min.) 5 ... 20 mm current consumption max. (no load) 30 mA protection class IP 67 operating temperature -25 ... +65 °C housing material plastic (ASA, MABS) sensing distance adjustment mechanical, 10 turn wave length 660 nm alignment / soiled lens indicator flashing light indicator depth 31 mm sensing distance Tw 20 ... 350 mm voltage supply range +Vs 10 ... 30 VDC voltage drop Vd < 1,8 VDC front (optics) PMMA output circuit NPN height / length 43 mm current consumption typ. 25 mA light indicator LED yellow output function light / dark operate sensing range Tb (at Tw max.) 20 ... 350 mm type background suppression output current < 100 mA