NJ20+U4+N

General specifications Switching element function NAMUR, NC Rated operating distance 20 mm Installation non-flush Output polarity NAMUR Assured operating distance 0 ... 16.2 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.3 Reduction factor r 304 0.85 Nominal ratings Nominal voltage 8.2 V (R i approx. 1 kOm) Switching frequency 0 ... 150 Hz Current consumption Measuring plate not detected greater or equal 3 mA Measuring plate detected less than or equal to 1 mA Compliance with standards and directives Standard conformity NAMUR EN 60947-5-6:2000 IEC 60947-5-6:1999 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 less than or equal to 2.5 mm 2 Housing material PBT/metal Sensing face PBT Degree of protection IP68 General information Use in the hazardous area see instruction manuals Category 1G- 2G- 1D