ABB ZTGSE Automatic Transfer Switch Dimensional Layout

This document provides the dimensional layout, mounting details, and component specifications for ABB ZTGSE series automatic transfer switches (ATS) rated 225-400A, suitable for NEMA 3R, 12, 4, and 4X enclosures. It includes front, side, and back views, seismic mounting instructions, cable and breaker ranges, center of gravity data, and notes on UL/CSA compliance for 3 and 4 pole configurations.