Inductive sensor NJ6-F-E, Switching function, Inductive Sensors, 6 mm flush, 3-wire DC, Polarity reversal protected, ATEX-/IECEx-approvals for zone 0/1/20/21 (Ex i), ATEX-/IECEx-approvals for zone 2/22 (Ex ec/tc), 10 m connection cable, 15 m connection cable