NJ4-12GK-N

General specifications Switching element function NAMUR, NC Rated operating distance 4 mm Installation non-flush Output polarity NAMUR Assured operating distance 0 ... 3.24 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 ... 1500 Hz Current consumption Measuring plate not detected min. 3 mA Measuring plate detected less than or equal to 1 mA Functional safety related parameters MTTF d 11774 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % 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 cable PVC , 2 m Core cross-section 0.34 mm 2 Housing material PBT Sensing face PBT Housing diameter 12 mm Degree of protection IP66 / IP68 General information Use in the hazardous area see instruction manuals Category 2G- 1D