The 3-Pole 400A Change Over Switch is an industrial-grade electrical switching device housed in a robust mild steel enclosure, designed for reliable load transfer between two independent power sources. Rated for 400A at 3-pole configuration with dimensions of 800 × 600 × 300 mm, this switch ensures safe, manual changeover in critical applications such as generator backup systems, dual-supply installations, and industrial facilities. Ideal for electricians, facilities managers, and electrical contractors working on large-scale installations requiring manual source selection.