Photoelectric Sensors (Reflex-Reflective, Block Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 50 mm; Voltage - 8.2V DC; Output Configuration - NAMUR, N.C.; Connection Type - Screw Terminal; Connection Size - 1/2NPT; Construction Style - Rectangular Style; Material - PBT; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 deg C (-13 deg F)-100 deg C (212 deg F); Shielding - Unshielded; Wires - Voltage Type - 2-Wire DC; Switching Frequency - 80 Hz; Nominal Dimensions - 55x30x128mm