output circuit NPN break function (NC) voltage drop Vd < 2 VDC operating temperature -25 ... +75 °C type cylindrical smooth material (sensing face) LCP connection types connector M8 switching frequency < 3 kHz nominal sensing distance Sn 1,6 mm current consumption max. (no load) 12 mA housing length 45 mm reverse polarity protection yes mounting type flush housing material stainless steel IFRM 04N37A1/S35L dimension 4 mm output indicator 3 port LED red protection class IP 67 manufacter SKU IFRM 04N37A1/S35L voltage supply range +Vs 10 ... 30 VDC output current < 100 mA short circuit protection yes hysteresis 2 ... 20 % of Sr