Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Background Cutoff; Cutoff - 20 in (500mm) Cutoff; Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - PNP; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Compact, Threaded Nose; Sensing Position - Side; Optimum Range - 2-20" (50mm-500mm); Response Time - 1ms; Beam Type - Infrared; Material - Die Cast Zinc; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 55degC (-4 to 131degF)