NBB20-U1-B3B

General specifications Switching element function NO/NC programmable Rated operating distance 20 mm Installation flush Output polarity AS-Interface Assured operating distance 0 ... 16.2 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.35 Reduction factor r 304 0.85 Slave type A/B slave AS-Interface specification V3.0 Required master specification greater or equal V2.1 Nominal ratings Operating voltage 26.5 ... 31.9 V via AS-i bus system Switching frequency 0 ... 150 Hz Hysteresis 1 ... 15 typ. 5 % Reverse polarity protection reverse polarity protected No-load supply current less than or equal to 25 mA Operating voltage indicator LED, green Switching state indicator LED, yellow Error indicator LED, red Functional safety related parameters MTTF d 1330 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 CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Storage temperature -40 ... 85 °C (-40 ... 185 °F) Mechanical specifications Connection type screw terminals Core cross-section less than or equal to 2.5 mm 2 Housing material PA/metal with epoxy powder coating Sensing face PBT Housing diameter Degree of protection IP68 / IP69K