RJ21-N

General specifications Switching element function NAMUR, NC Installation Output polarity NAMUR Inside diameter 21 mm Measuring cylinder 9S20K Diameter 6 mm Length 12 mm Nominal ratings Nominal voltage 8.2 V (R i approx. 1 kOm) Operating voltage 5 ... 25 V Switching frequency 0 ... 1000 Hz Current consumption Measuring plate not detected greater or equal 3 mA Measuring plate detected less than or equal to 1 mA Functional safety related parameters MTTF d 11400 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 -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection type cable PVC , 2 m Core cross-section 0.34 mm 2 Housing material PBT Degree of protection IP67 General information Use in the hazardous area see instruction manuals Category 2G