connection types cable, 2 m marking II 3D Ex tc IIIC T100°C Dc X short circuit protection yes voltage supply range +Vs 10 ... 30 VDC voltage drop Vd < 2 VDC protection class IP 67 housing length 40 mm housing material brass nickel plated IFRM 12N17X2/L dimension 12 mm material (sensing face) PBT manufacter SKU IFRM 12N17X2/L output indicator LED red output circuit NPN make function (NO) reverse polarity protection yes nominal sensing distance Sn 4 mm type cylindrical threaded operating temperature Ta -25 ... +65 °C current consumption max. (no load) 10 mA output current < 200 mA mounting type flush hysteresis 3 ... 20 % of Sr switching frequency < 2 kHz