NBN3-F31K-Z8-K

General specifications Switching element function DC binary NO Rated operating distance 3 mm Installation flush mountable Output polarity DC Assured operating distance 0 ... 2.43 mm Reduction factor r Al 0.5 Reduction factor r Cu 0.4 Reduction factor r 304 1 Reduction factor r St37 1.1 Nominal ratings Operating voltage 6 ... 60 V DC Switching frequency 0 ... 500 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity tolerant Short-circuit protection no Voltage drop less than or equal to 6 V Operating current 4 ... 100 mA Lowest operating current 4 mA Off-state current 0 ... 1 mA typ. 0.7 mA Switching state indicator LED, yellow Valve status indicator LED, yellow Limit data Tightening torque, fastening screws 0.4 Nm Functional safety related parameters MTTF d 590 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates 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 (system side) Cage tension spring terminals Core cross-section (system side) 1.5/2.5 mm 2 flexible/rigid Connection (valve side) Cage tension spring terminals Core cross-section (valve side) 1.5/2.5 mm 2 flexible/rigid Housing material PBT Sensing face PBT Degree of protection IP67 Tightening torque, housing screws 1 Nm Tightening torque, cable gland M20 x 1.5 - max. 7 Nm M12 x 1.5 - max. 3 Nm