The Xtreme E91 UPS series, developed by Xtreme Power Conversion Corporation, offers a range of high-performance online tower UPS systems. These units, available in various power options, including 10kW, 15kW, 20kW, 30kW, and 40kW, are specifically designed to deliver consistent and reliable three-phase power to edge facilities, small data centers, network closets, and industrial applications.