General specifications Switching element function AC/DC NO Rated operating distance 5 mm Installation flush Output polarity AC/DC Assured operating distance 0 ... 4.05 mm Actuating element Ferrous targets Reduction factor r Al 0 Reduction factor r Cu 0 Reduction factor r 304 0.4 - 0.7 Reduction factor r St37 1 Reduction factor r Brass 0 Nominal ratings Operating voltage DC 20 ... 300 V Operating voltage AC 20 ... 250 V Switching frequency 15 Hz Hysteresis 3 ... 15 typ. 5 % Reverse polarity protection yes Short-circuit protection yes Voltage drop less than or equal to 7 V Operating current 8 ... 200 mA Off-state current less than or equal to 1.3 mA Error indicator LED, green/yellow (Alternate Flashing) - Short circuit/overload indication Indicators/operating means Operation indicator Dual LED Green: power Yellow: output Standard conformity Standards EN 60947-5-2:2007 IEC 60947-5-2:2007 Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval Certified by China Compulsory Certification (CCC) Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection type cable PUR , 2 m Core cross-section 0.5 mm 2 Housing material Stainless steel 1.4305 / AISI 303 Sensing face Stainless steel 1.4305 / AISI 303 Housing diameter 18 mm Degree of protection IP67