Model Input voltage(v) Rated duty cycle(%) Dimension(mm) 20''CTN 40''CTN CD-220 220-230 50-60HZ 260*225*520 865 1750 CD-320 220-230 50-60HZ 260*225*520 865 1750 CD-400 220-230 50-60HZ 260*225*520 865 1750 CD-520 220-230 50-60HZ 355*280*620 420 830 CD-600 220-230 50-60HZ 355*280*620 420 830