The Blue Gate BG3.0HFi (also listed as the BG3.0HF or BGK 3.0HFi) is a 3kVA Online Uninterruptible Power Supply (UPS) designed for medical devices, small-to-medium servers, and sensitive networking hardware. Utilizing double-conversion online technology, it processes input power continuously to achieve a 0ms transfer time, ensuring connected equipment experiences absolutely no power gaps during outages