CyberPower OLS10000ERTXL3U is a high-performance UPS featuring online double-conversion topology, which provides seamless Pure Sine Wave power for mission-critical devices such as NAS and servers, DVRs/surveillance systems, transportation and infrastructure, and emergency systems. It’s typically integrated in the back office, server room, and data center environment. Selected product is equipped with a Maintenance Bypass Switch. By flipping the switch, the power supply is safely transferred to utility. This allows service personnel to carry out fast on-site maintenance without having to shut down any connected equipment.