General specifications Switching element function NAMUR, bistable Installation Output polarity NAMUR Inside diameter 15 mm Measuring cylinder Fe-metal Diameter 3 mm Length 4 mm Passage speed less than or equal to 10 m/s Nominal ratings Nominal voltage 8.2 V (R i approx. 1 kOm) Operating voltage 5 ... 25 V Hysteresis typ. 1 % Reverse polarity protection reverse polarity protected Current consumption Traverse B 3 mA Traverse A 1 mA Functional safety related parameters MTTF d 2240 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 Ambient conditions Ambient temperature -20 ... 70 °C (-4 ... 158 °F) Storage temperature -40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection type cable PVC , 2 m Core cross-section 0.14 mm 2 Housing material PBT Degree of protection IP67 General information Use in the hazardous area see instruction manuals Category 2G