connection types cable PUR 3 x 0,25, 2 m housing material brass nickel plated output indicator LED red reverse polarity protection yes nominal sensing distance Sn 10 mm voltage supply range +Vs 12 ... 30 VDC hysteresis 2 ... 15 % of Sr current consumption max. (no load) 24 mA special type Outdoor design output circuit NPN break function (NC) mounting type flush switching frequency < 400 Hz type cylindrical threaded short circuit protection yes material (sensing face) PBT IFRM 18N37M1/PL dimension 18 mm manufacter SKU IFRM 18N37M1/PL output current < 200 mA voltage drop Vd < 2 VDC protection class IP 67 housing length 50 mm operating temperature -40 ... +80 °C