manufacter SKU IFRD 18P37T3/S14 output current < 100 mA output circuit PNP break function (NC) hysteresis 2 ... 20 % of Sr protection class IP 69K operating temperature -25 ... +100 °C mounting type quasi-flush nominal sensing distance Sn 6 mm pressure static < 20 bar IFRD 18P37T3/S14 dimension 18 mm material (sensing face) stainless steel 1.4404 (V4A) housing length 60 mm housing material stainless steel 1.4404 (V4A) special type full metal housing ( DuroProx ) high temperature connection types connector M12 reverse polarity protection yes voltage drop Vd < 2 VDC current consumption max. (no load) 14 mA voltage supply range +Vs 10 ... 30 VDC switching frequency < 100 Hz short circuit protection yes type cylindrical threaded