Depending on power rating, dimensions vary from 3.23-by-0.87-by-4.9 inches to 4.72-by-1.57-by-9.84 inches, at weights ranging from 0.64 to 2.86 lbs. RTW series power supplies are offered in 50-, 100-, 150- and 300-watt versions and operate from a wide input range of 85 to 265VAC, 47 to 66Hz. Models are available with nominal outputs of 3.3, 5, 12, 15, 24, 28 and 48 volts—which users can adjust to suit special requirements—and feature overvoltage and overcurrent protection. The supplies boast efficiencies as high as 89 percent, ensuring low power losses with minimized heat generation, and come with a five-year warranty. Pricing starts at $75 each in 100-unit quantities.