Zenith Medium Voltage Automatic Transfer Switches Zenith Medium Voltage Automatic Transfer Switches ZTSMV - Medium Voltage 5-15kV ClassProvides highly reliable and flexible source switching for essential healthcare equipment and business critical applications, including make-before break switching. 40-4000A… Publications Application and TechnicalBrochuresCSI Master FormatCatalogs and Buyers GuidesCertificates/Declarations of ConformityData SheetsDrawings-Outline and DimensionalInstallation and InstructionWhite Papers Other Automatic Transfer Switches Previous Generation ATS TruONE ATS Zenith Medium Voltage Automatic Transfer Switches Zenith T-series Automatic Transfer Switches