type cylindrical threaded voltage supply range +Vs 10 ... 30 VDC output indicator 3 port LED red hysteresis 2 ... 20 % of Sr pressure static < 20 bar switching frequency < 100 Hz current consumption max. (no load) 14 mA short circuit protection yes special type full metal housing ( DuroProx ) material (sensing face) stainless steel 1.4404 (V4A) operating temperature -25 ... +75 °C connection types connector M12 output circuit NPN break function (NC) voltage drop Vd < 2 VDC protection class IP 68/67 (sensing face/sensor) output current < 200 mA nominal sensing distance Sn 6 mm manufacter SKU IFRD 18N37A3/S14L mounting type quasi-flush housing material stainless steel 1.4404 (V4A) reverse polarity protection yes housing length 60 mm IFRD 18N37A3/S14L dimension 18 mm