The 2-WIRE range of DC, AC/DC and NAMUR sensors is constructed on the Classics technology platform and includes sizes from ∅3 to M30, plus a 5 × 5 mm square-section type. Devices are available for embeddable or non-embeddable mounting and connection is by means of cable or connector. With a sensing range up to 15 mm, Contrinex 2-WIRE sensors ensure optimal equipment utilization.