NBB20-U4-A0-T

General specifications Switching element function NPN NO/NC Rated operating distance 20 mm Installation flush Output polarity DC Assured operating distance 0 ... 16.2 mm Reduction factor r Al 0.35 Reduction factor r Cu 0.3 Reduction factor r 304 0.75 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 300 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 2 V Operating current 0 ... 200 mA Off-state current 0 ... 0.5 mA No-load supply current less than or equal to 20 mA Operating voltage indicator LED, green Switching state indicator LED, yellow Approvals and certificates 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 max. 2.5 mm 2 Housing material PA / LCP Sensing face PA Degree of protection IP68 / IP69K Mass 225 g Note Tightening torque: 1.8 Nm (housing) Tightening torque: 1.0 Nm (Screw terminal)