Proximity Sensors (Inductive, Block Style): Type - Photoelectric Diffuse Reflective Sensor; Sensing Range - 18" (450mm); Voltage - 90-250VAC; Output Mode - Light/Dark Operate; Output Configuration - SPST Solid State Relay; Connection Type - Connector, 4-pin Micro AC; Connection Size - 1/2-20UNF; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Response Time - 2ms; Beam Type - Infrared; Housing Material - Thermoplastic; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -40 to 70degC (-40 to 158degF)