VERTIV 120 kVA UPS The Vertiv Liebert 120 kVA UPS, particularly the Hipulse‑U and APM/eXM series, are robust three-phase, online double-conversion UPS systems designed for mission-critical applications like data centers, industrial automation, and telecom infrastructure. ⚙️ Core Specifications (Hipulse‑U − 120 kVA) Rating: 120 kVA / 108 kW at 0.9 PF Topology: Online double-conversion with twin DSP-controlled IGBT inverter Input/Output: 3φ in/out, configurable at 380–415 VAC, 50/60 Hz Efficiency: ~93–96% in double-conversion, up to ~99% in ECO/bypass mode Input tolerance: ±20% voltage; 45–65 Hz frequency