Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 10 mm; Voltage - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Shielded; Output Mode - N.O.(NPN); Connection Type - Cable; Connection Size - 2m(6.5 ft); Construction Style - Tubular, Threaded; Diameter - 30 mm Dia.; Material - Nickel Plated Brass; Enclosure Rating NEMA - NEMA 1, 2, 3, 3R, 4, 4X, 5, 6, 6P, 12, 13; Switching Frequency - 100 Hz; Load Current - max - 15 mA; Temperature Rating - -25 deg C(-13 deg F) to F470 deg C(158 deg F); Material - Face - Nonmetallic