General specifications Switching element function NAMUR, NO Rated operating distance 6 mm Installation flush Output polarity Safety Function Assured operating distance 0 ... 4.86 mm Reduction factor r Al 1 Reduction factor r Cu 1 Reduction factor r 304 0 Nominal ratings Nominal voltage 8.2 V (R i approx. 1 kOm) Switching frequency 0 ... 100 Hz Current consumption Measuring plate not detected less than or equal to 1 mA Measuring plate detected greater or equal 3 mA Functional safety related parameters MTTF d 9190 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates FM approval Control drawing 116-0165F UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 100 °C (-13 ... 212 °F) Mechanical specifications Connection type screw terminals Core cross-section up to 2.5 mm 2 Housing material PBT Sensing face PBT Degree of protection IP68 Note only for non-ferrous metal General information Use in the hazardous area see instruction manuals Category 1G- 2G- 1D