Square D SK2000A2 Transformer Disconnect Switch

Square D's 9070SK2000A2D1 Transformer Disconnect Switch combines a 2000 VA control transformer with a built‑in disconnect in a rugged SK‑series enclosure designed for indoor control panels. The unit accepts a 240/480 VAC single‑phase primary and provides a 120 VAC secondary for control circuits, with a 50/60 Hz rating. Its overall dimensions are 16.5 in high by 14.5 in wide by 13.5 in deep, and it is listed as a Type SK transformer disconnect in Schneider Electric’s catalog. The enclosure is commonly described as NEMA 12‑rated for indoor use, offering durable protection in industrial environments. This 9070SK model is designed to be mounted in panel assemblies to provide both transformer isolation and a service disconnect for low‑voltage control circuits, simplifying wiring and maintenance while meeting common industrial standards.