Emerson Network Power has introduced the Liebert NXL 1100kVA/1100kW UPS to offer medium-to-large data centers a level of operating efficiency previously available only in transformer-free systems, but with the safety, fault tolerance, and reliability demonstrated by transformer-based systems. The Liebert NXL UPS is UL- and CSA- listed and is available globally for 60-Hz applications—480, 575, or 600 Vac. The Liebert NXL UPS is the first large transformer-based UPS system to be tested and UL listed and labeled to UL1778 fourth edition specifications.

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