ZTS Service Entrance Automatic Transfer Switch Engineering Drawing

This engineering drawing provides the layout, dimensions, and specifications for ABB's ZTS series service entrance automatic transfer switches (ATS) rated 30A to 200A, available in NEMA 3R, 12, 4, and 4X enclosures with 3 or 4 pole configurations. It includes detailed front, side, and section views, cable and breaker connection information, mounting hole locations, center of gravity data, and seismic mounting notes for models using XT2 (30-100A) and XT4 (150-200A) circuit breakers.