IT power UPS systems Rittal UPS system Power Modular Concept for high availability. As a back-up for critical loads, with high UPS efficiency, even in part-load operation. UPS systems UPS systems The 3-phase UPS systems offer rack-mounting modularity together with a compact design and an operating ratio of up to 96% in double conversion mode. Output categories from 10 kW to 200 kW per rack are available. Higher outputs available on request. Show products