ABB ACS880-204-0730A-5 631 kW IGBT supply module. ABB ACS880-204-0730A-5 is a current ACS880-204 air-cooled IGBT supply module rated 631 kW DC and 729 A at 380-500 V AC, using R8i + BLCL-15-5. It converts the incoming three-phase AC supply to a controlled common DC bus for coordinated multidrive systems. Typical applications include cranes, conveyors, winders, paper machines, metals lines, marine systems and high-performance process machinery.