type cylindrical threaded protection class IP 68/67 (sensing face/sensor) pressure static < 20 bar output current < 200 mA switching frequency < 100 Hz manufacter SKU IFRD 12N37A3/S14L mounting type quasi-flush short circuit protection yes special type full metal housing ( DuroProx ) material (sensing face) stainless steel 1.4404 (V4A) output circuit NPN break function (NC) IFRD 12N37A3/S14L dimension 12 mm output indicator 3 port LED red housing material stainless steel 1.4404 (V4A) connection types connector M12 operating temperature -25 ... +75 °C hysteresis 2 ... 20 % of Sr nominal sensing distance Sn 4 mm reverse polarity protection yes housing length 50 mm voltage drop Vd < 2 VDC voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 14 mA