The TruONE(r) Automatic Transfer Switch by ABB is a mild steel enclosed switch designed for 3P+N power systems. It operates within a voltage range of 200-480 VAC and has a current rating of 400 A. This switch features a delayed transition with level 3 control, ensuring smooth and reliable power transfer. With an IP65 rating, it offers excellent protection against dust and water ingress. The switch is constructed with 1.6 mm thick top and bottom gland plates, providing durability and stability. Its RAL 7035 grey colour adds a sleek aesthetic to any installation.