ABB Zenith ZTS T-Series ATS Cabinet Engineering Drawing

This is a detailed engineering drawing set for an ABB Zenith ZTS T-Series automatic transfer switch cabinet, rated 800-1200A, with NEMA Type 3R, 4, and 12 enclosures. The document provides dimensional specifications, mounting hole layouts, lug assembly options (mechanical and compression), seismic mounting notes, and internal component arrangements across three sheets.