Photoelectric Sensor, Retroreflective, Max Sensing Distance 15 Ft, Voltage Range 20-264VAC/15-30VDC, Max Amps 300mA, Contact Form SSR, Response Time 10 ms, Operating Frequency 50 Hz, Length 3.00 In, Dia 18 mm, NEMA Rating 1, 2, 3, 4, 4X, 6, 12, 13, Cable Size 6.5 Ft, Temp Range -40 to 158 F, Standards UL/ C-UL/ CE Photoelectric SensorsComet SeriesIndustry-standard 18mm threaded flat tubular body can be mounted like a tubular sensor or against any flat surface. Visible sensing beam simplifies setup and alignment. Solid polyurethane housing is highly resistant to shock and vibration. Adaptable modulation circuit protects against crosstalk. Background rejection models reliably detect targets regardless of color, reflectance, contrast, and surface shape.UL and C-UL Listed and CE Certified, except UL 508 Certified thru-beam source 2XCA3, 2XCA4, 2XCA5, 2XCA6, 2XCA7 and polarized retroreflective 2XCG3 are CSA and CE Certified.IP69K rating Solid-state AC/DC models rated for 300mA; DC-only models rated for 250mA NPN and 100mA PNP Light/dark operation Temp. range: -4 to 158 F thru-beam source 2UUT5, 2UUT6, 2XCA1, and 2XCA2, and -13 to 151 F for 2XCA3, 2XCA4, 2XCA5, 2XCA6, 2XCA7 Temp. range: -40 to 158 F all others