Inductive sensor NBN40-L2-E2-V1 Sensor head bidirectional and rotatable 40 mm non-flush 3-wire DC Quick mounting bracket 4-way LED indicator General specifications Switching function Normally open (NO) Output type PNP Rated operating distance 40 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 32.4 mm Actual operating distance 36 ... 44 mm Reduction factor rAl 0.33 Reduction factor rCu 0.31 Reduction factor r304 0.74 Reduction factor rBrass 0.38 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 180 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop ≤ 2 V Operating current 0 ... 200 mA Off-state current 0 ... 0.5 mA No-load supply current ≤ 20 mA Operating voltage indicator LED, green Switching state indicator LED, yellow Functional safety related parameters MTTFd 1510 a Mission Time (TM) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates EAC conformity TR CU 020/2011 Protection class II Rated insulation voltage 253 V Rated impulse withstand voltage 4000 V UL approval cULus Listed, General Purpose CCC approval CCC approval / marking not required for products rated ≤36 V Ambient conditions Ambient temperature -25 ... 85 °C (-13 ... 185 °F) Storage temperature -40 ... 85 °C (-40 ... 185 °F) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PA Sensing face PA Housing diameter Degree of protection IP69K Mass 130 g