Photoelectric Sensors (Background Rejection, Tubular Style): Type - Photoelectric Background Cutoff Sensor; Cutoff - 2.00 in (50mm) Cutoff; Voltage - 10-30VDC; Output Mode - Dark Operate; Output Type - PNP; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Tubular, Threaded; Diameter - 18 mm; Sensing Position - End; Material - Thermoplastic; Response Time - 3ms; Beam Type - Infrared; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP69K; Temperature Rating - -40 to 70 deg C (-40 to 158 deg F)