DG660 modular UPS is a scalable, three-phase uninterruptible power supply system with DSP technology that provides true on-line double conversion power protection. The available UPS power and redundancy level can expand vertically from 50-800kVA/720kW in one single power cabinet, and four power cabinets can be connected in parallel, increasing the capacity  up to 3.2 M kW. It features a modular hot-swappable design, with all modules supporting “plug & play” , including power modules, bypass module, and control module, simplifying UPS servicing and maintenance. This secure, high quality power supply is available for critical high-density computer and IT environment applications such as data centers and other critical loads.