Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 25 mm; Voltage - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Unshielded; Output Mode - N.O. (NPN); Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Tubular, Threaded; Diameter - 40 mm Dia.; Material - Plastic; Enclosure Rating IEC - IEC IP68; Switching Frequency - 2000 Hz; Load Current - max - 200 mA; Temperature Rating - -30 deg C (-22 deg F) to F485 deg C (185 deg F); Material - Face - Nonmetallic