ABB ACS880-04-522A-7 500 kW single drive module. ABB ACS880-04-522A-7 is a current ACS880 single drive module rated 500 kW and 522 A at 525-690 V AC, using R11. It is designed for integration into engineered industrial drive cabinets with Direct Torque Control, Safe Torque Off and flexible communications. This published ABB base rating supports heavy-duty process, marine, mining, metals, oil and gas, crane and material-handling projects across industrial applications.