Zenith Medium Voltage Automatic Transfer Switches ZTSMV - Medium Voltage 5-15kV ClassProvides highly reliable and flexible source switching for business critical applications, including make-before break switching. 40-4000A and 120-600V. Publications BrochuresCSI Master FormatCatalogs and Buyers GuidesCertificates/Declarations of ConformityDrawings-Outline and DimensionalEnvironmental Product Declaration (EPD)Installation and InstructionWhite Papers Other Automatic Transfer Switches Previous Generation ATS TruONE ATS Zenith T-series Automatic Transfer Switches