operating temperature -25 ... +100 °C special type full metal housing ( DuroProx ) high temperature manufacter SKU IFRD 18N17T3/S14 switching frequency < 100 Hz current consumption max. (no load) 14 mA reverse polarity protection yes voltage drop Vd < 2 VDC IFRD 18N17T3/S14 dimension 18 mm material (sensing face) stainless steel 1.4404 (V4A) housing material stainless steel 1.4404 (V4A) voltage supply range +Vs 10 ... 30 VDC short circuit protection yes output circuit NPN make function (NO) protection class IP 69K output current < 100 mA connection types connector M12 nominal sensing distance Sn 6 mm housing length 60 mm hysteresis 2 ... 20 % of Sr pressure static < 20 bar type cylindrical threaded mounting type quasi-flush