housing length 27,4 mm housing material die-cast zinc nickel plated hysteresis 3 ... 20 % of Sr material (sensing face) PBT manufacter SKU IFFM 08N37A5/O1S35L reverse polarity protection yes type rectangular switching frequency < 5 kHz output indicator LED red mounting type flush IFFM 08N37A5/O1S35L dimension 8 mm voltage drop Vd < 2 VDC output circuit NPN break function (NC) operating temperature -25 ... +75 °C protection class IP 67 nominal sensing distance Sn 2 mm voltage supply range +Vs 10 ... 30 VDC connection types connector M8 output current < 200 mA short circuit protection yes current consumption max. (no load) 12 mA