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