Demand more energy efficiency. Eaton's PowerXL DH1 variable frequency drives are designed to significantly reduce energy consumption and increase cost savings for HVAC applications. This innovative VFD series comes standard with an industry-leading, energy optimization algorithm, high short-circuit current rating, and a robust design that offers increased efficiency, safety and reliability. Eaton's patented Active Energy Control is also a standard feature on DH1 drives, offering customers increased efficiency, safety and reliability. These drives continue the tradition of robust performance and raise the bar on features and functionality, ensuring the best solution at the right price. The DH1 HVAC/R drives are part of Eaton's next generation PowerXL Series of adjustable frequency drives specifically engineered for today's demanding HVAC/R market. The power unit makes use of the most sophisticated semiconductor technology and a highly modular construction that can be flexibly adapted to meet the customer's needs. The control module was designed to include today's standard HVAC/R communication protocols and I/O while still having the modularity to add additional option cards.