Vertiv Liebert EXL S1 250kVA UPS 3-Phase Modular

The Vertiv Liebert EXL S1 250kVA is a three-phase modular uninterruptible power supply engineered for hyperscale data centers, cloud infrastructure, and mission-critical enterprise environments. Built on a distributed architecture, this system delivers industry-leading energy efficiency through advanced power factor correction, silicon carbide (SiC) IGBT technology, and dynamic load-sharing across modular power modules. The EXL S1 platform supports seamless scalability and hot-swappable battery modules, enabling operators to expand capacity and extend runtime without system shutdown.

The 250kVA configuration operates at 400V three-phase input/output, with a typical efficiency exceeding 96% in double-conversion mode. This efficiency profile directly reduces cooling demand and operational energy consumption—critical metrics for AI infrastructure buildouts and large-scale compute clusters experiencing rapid power demand growth. The modular design permits independent battery module maintenance and replacement while maintaining continuous power delivery to connected loads.

Liebert EXL S1 incorporates comprehensive monitoring via integrated network management cards, real-time battery diagnostics, and predictive maintenance intelligence. The system is qualified for data center environments requiring N+1 redundancy architecture and supports integration into edge computing deployments, colocation facilities, and enterprise server rooms handling intensive virtualization workloads.

Ideal for

• AI and machine learning cluster power infrastructure requiring high-density, high-efficiency UPS protection across multiple compute racks
• Hyperscale data center facility-wide power distribution with modular scaling to match phased capacity expansion
• Mission-critical cloud service provider environments demanding extended runtime and hot-swappable battery replacement
• Colocation and multi-tenant data centers supporting diverse customer SLAs with independent power conditioning per tenant PDU
• Edge computing and distributed computing nodes requiring compact, efficient three-phase UPS in geographically dispersed locations
• Enterprise virtualization infrastructure consolidation projects with strict PUE (Power Usage Effectiveness) targets

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.