Uptime / Critical Power & Cooling / Liebert® EXL S1
Liebert® EXL S1
A transformer-based, three-wire UPS built for data center and campus scale — the tier where one unit protects the whole building.
What’s Built In
Where the whole facility rides on one bus.
Optimized for maximum efficiency and power density, with a smaller footprint than comparable UPS in its class — space that can go back to revenue-generating IT equipment. At Dynamic Online mode, the UPS can reach up to 99% operating efficiency without sacrificing availability.
Model range
Four capacity tiers, 480V, 3-wire throughout.
250–400 kW
79.1″ H × 51.3″ W × 36.0″ D · 1,970 lbs
500–600 kW
79.1″ H × 63.0″ W × 36.0″ D · 2,750 lbs
625–800 kW
79.1″ H × 78.8″ W × 36.0″ D · 3,508 lbs
1,000–1,200 kW
79.1″ H × 104.5″ W × 36.0″ D · 4,667 lbs
Full Specifications
Every number, for the people who ask for them.
Exact model, redundancy configuration, and runtime are confirmed at quote against your named load and battery string. Backed by Vertiv™ factory warranty and the Vertiv™ field service network.
Ready to spec the EXL S1?
A voltage and a kW figure is enough to start — we’ll come back with a configuration sized to your facility.