Proximity Sensors (Inductive, Tubular Style): Type - Inductive Proximity Sensor; Sensing Range - 2 mm; Voltage Range - 20-264V DC; Wires - Voltage Type - 2-Wire AC; Shielding - Shielded; Output Type - N.O.; Construction - Tubular, Threaded; Diameter - 30 mm Dia.; Sensing Position - End; Material - Body - Nickel Plated Brass; Material - Face - PBT; Enclosure Rating IEC - IEC IP67; Switching Frequency - 25 Hz; Load Current - max - 200 mA; Temperature Rating - -40 deg C (-40 deg F) to 85 deg C (185 deg F)