Extremely compact, 50 percent smaller than equivalent predecessors – and narrowest in the industry -- the ACS800 drives are available in both NEMA 1 or NEMA 12 enclosures (without de-rating). All units are designed in a bookshelf style, and units range from 6.5-inch-wide low-Hp designs up to freestanding 600-Hp units that measure only 13.78 inches wide! The freestanding enclosures of the drives in the range from 150 – 600 Hp turn easily to fit into deep, narrow spaces, or wide, shallow spaces. Designed with integral EMC filters and chokes and rated at supply voltages of 230V to 690V, the ACS800 is backward compatible with ABB's previous ACS600 family -- parameters have the same name and scaling. Both 230V units in NEMA 1 and 690V in NEMA 12 enclosures are offered. The family also includes a fully integrated, regenerative AC drive, in a 7.5 to 125 horsepower range. This addition again extends the array of complete motor-control solutions provided through the company's ACS800 product family.