switching frequency < 500 Hz reverse polarity protection yes special type hygienic design material (sensing face) LCP type cylindrical smooth output current (at cleaning temperature) < 100 mA housing material stainless steel 1.4404 (V4A); LSR manufacter SKU IFBR 17N17T1/L-9 voltage supply range +Vs 10 ... 30 VDC output circuit NPN make function (NO) current consumption max. (no load) 10 mA cleaning temperature 80 ... +100 °C (30 min/day) voltage drop Vd < 2 VDC IFBR 17N17T1/L-9 dimension 17 mm mounting type quasi-flush nominal sensing distance Sn 8 mm protection class IP 68/69K & proTect+ short circuit protection yes housing length 55 mm connection types cable PVC, 2 m output current < 200 mA output indicator LED red operating temperature -40 ... +80 °C hysteresis 2 ... 15 % of Sr