The XFR Series is "today's technology". Zero voltage, or "soft" switchiing, provides significant benefits. Switching transient are virtually eliminated and noise perfromance is closer to linear levels. Efficiency is increased, heat genereation is decreased, and stress on the switching transistors is reduced - improving reliability (MBTF). Unlike most competitor's products, the XFR Series generates full power at full rated current over its total operating range of 0 to 50 °C without derating. Also, the XFRs are designed with excellent thermal management, unlike competitive products, so they can be stacked in rack mounts without leaving ventolation space bettween units. The low thermal generetion and high efficiency of "soft" switching technology allows Xantrex to package 1200 watts in a 1, 75-inch (1 U) high , 19-inch rack mount chassis, providing 20% more power then any competitive product in same size package. Both the 1200 watt and 2800 watt models are the smart choise for research, product develompent and production test application such as R&D, magnet control, product design, ATE, process control, electroplating and burn-in. The unique featires of the XFR make it the best choies for OEM applications where high power and wide adjustment of output voltage or current is required in a full 19-inch rack package.