15 kVA · 208/120V Three-Phase · Online Double-Conversion UPS · Vertiv Liebert EXS Comparison E91 15 kVA vs Liebert EXS15KN The Xtreme Power E91 15 kVA and the Liebert EXS15KN are online double-conversion UPS systems for 208/120V three-phase applications, both delivering full 15 kVA / 15 kW with internal VRLA batteries. The E91 delivers longer internal runtime […]
