Mitsubishi 9900A Series UPS ranges from 80kVA to 225kVA, true online double conversion system. Fully digital IGBT converter and inverter design, low input harmonics, internal static bypass; 3 level power conversin technology with dual input, available in parallel redundant & Capacity applciations (up to 4 modules). Voltage options, input 480V, output 480/277V or 600/346V