Please contact us for the best price and delivery time of Rittal DK 7857.009 3-phase UPS systems from ABB with an operating ratio of up to 96% in double conversion mode, available in performance classes ranging from 10 kW to 200 kW per rack. We will submit your offer to you as soon as possible. You can contact us within the DK 7857.009 coded product or any product belonging to the Rittal brand.