Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 12 mm; Voltage - 20-250V AC, 10-300V DC; Wires - Voltage Type - 2-Wire AC/DC; Shielding - Unshielded; Output Mode - N.C.; Connection Type - Connector, 3-pin Micro; Connection Size - 1/2"-20 UNF; Construction Style - Tubular, Threaded; Diameter - 18 mm Dia.; Material - Chrome Plated Brass; Enclosure Rating IEC - IEC IP67; Switching Frequency - 20 Hz; Load Current - max - 400 mA AC 300 mA DC; Temperature Rating - -25 deg C (-13 deg F) to F470 deg C (158 deg F); Material - Face - Nonmetallic