NCN3-F31-N4-V18

General specifications Switching element function DC Dual NC Rated operating distance 3 mm Installation flush mountable Output polarity NAMUR Assured operating distance 0 ... 2.4 mm Reduction factor r Al 0.35 Reduction factor r Cu 0.3 Reduction factor r 304 0.75 Reduction factor r St37 1 Reduction factor r Brass 0.45 Nominal ratings Nominal voltage 8 V Switching frequency 0 ... 3 kHz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection yes Suitable for 2:1 technology yes , Reverse polarity protection diode not required Current consumption Measuring plate not detected greater or equal 3 mA Measuring plate detected less than or equal to 1 mA Switching state indicator LED, yellow Compliance with standards and directives Standard conformity NAMUR EN 60947-5-6:2000 IEC 60947-5-6:1999 Electromagnetic compatibility NE 21:2007 Approvals and certificates 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) Note: Under the same product name but with a different part no., this product has a predecessor with a restricted temperature range (up to +70 °C). The temperature range specified here (up to +100°C) only applies to sensors with part no. 2239**. Storage temperature -40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection type Connection (system side) V18 connector Housing material PBT Sensing face PBT Degree of protection IP67 General information Use in the hazardous area see instruction manuals Category 1G- 2G- 3G