Photoelectric Sensors (Thru-Beam, Block Style Light Source): Sensor Type - Photoelectric Beam Source; Sensing Range - metric - 150m; Sensing Range - standard - 500ft; Voltage - 10-40VDC; Connection Type - Cable; Connection Size - 2m (6.5ft); Receiver Model - 1251E-6517,-8517; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Beam Type - Infrared; Beam Configuration - 15 deg FOV; Enclosure Rating IEC - IEC IP67; Material - Fiberglass Reinforced Plastic; Temperature Rating - -25 to 55degC (-13 to 131degF); Manufacturer Series - Enhanced 50 Series