reverse polarity protection yes housing material brass nickel plated type cylindrical threaded connection types connector M12 IFRM 18N13T1/S14L dimension 18 mm nominal sensing distance Sn 12 mm manufacter SKU IFRM 18N13T1/S14L current consumption max. (no load) 10 mA output current < 200 mA protection class IP 67 special type Outdoor design operating temperature -40 ... +80 °C voltage drop Vd < 2 VDC switching frequency < 500 Hz output circuit NPN make function (NO) voltage supply range +Vs 10 ... 30 VDC mounting type non-flush housing length 60 mm hysteresis 2 ... 15 % of Sr short circuit protection yes output indicator LED red material (sensing face) PBT