NBB2-8GS50-E2

General specifications Switching element function PNP NO Rated operating distance 2 mm Installation flush Output polarity DC Assured operating distance 0 ... 1.62 mm Actuating element mild steel, e. g. 1.0037, SR235JR (formerly St37-2) 8 mm x 8 mm x 1 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.3 Reduction factor r 304 0.8 Reduction factor r Brass 0.45 Nominal ratings Operating voltage 10 ... 30 V Switching frequency 0 ... 2000 Hz Hysteresis 0.02 ... 0.4 mm Reverse polarity protection yes Short-circuit protection yes Overload resistance yes Wire breakage protection yes Inductive overvoltage protection yes Surge suppression yes Ripple 10 % Voltage drop less than or equal to 2.5 V Repeat accuracy 0.1 mm Operating current 0 ... 200 mA Off-state current 0.01 mA No-load supply current less than or equal to 7 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 2560 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 85 °C (-13 ... 185 °F) Storage temperature -40 ... 85 °C (-40 ... 185 °F) Mechanical specifications Connection type cable PUR , 2 m Core cross-section 0.25 mm 2 Housing material Stainless steel 1.4305 / AISI 303 Sensing face PBT Housing diameter 8 mm Degree of protection IP67 Mass 68 g