housing length 30 mm voltage supply range +Vs 10 ... 30 VDC switching frequency < 2 kHz IFRH 12P3501/L dimension 12 mm hysteresis 2 ... 20 % of Sr manufacter SKU IFRH 12P3501/L type cylindrical threaded mounting type flush housing material brass nickel plated nominal sensing distance Sn 2 mm output current < 200 mA protection class IP 67 connection types cable, 2 m current consumption max. (no load) 12 mA short circuit protection yes operating temperature -25 ... +180 °C reverse polarity protection yes output circuit PNP break function (NC) voltage drop Vd < 2 VDC operating temperature -25 ... +75 °C special type high temperature