Automatic Transfer Switches (ATS) Our Zenith Automatic Transfers Switches are an essential part of any emergency or standby power system, quickly transferring loads from one power source to another source. With features such as integral metering, high level diagnostics, built-in outage reporting, and high-speed alarm capture, we go beyond source switching, to ensure critical load uptime and operator safety. Uninterruptible Power Supplies (UPS) We provide a complete range of both 1-phase and 3-phase UPS products to ensure a constant supply of clean and reliable power for mission critical and industrial applications. In addition to our wide range of UPS systems, we offer project management, planning services for endcustomers and consultants, and comprehensive UPS support services.