The TruONE(r) Automatic Transfer Switch is a mild steel enclosed switch designed for 3P+N power systems operating at 200-480 VAC and 400 A. It features a delayed transition level 3 control and has an IP65 rating for protection against dust and water. The switch is constructed with 1.6 mm thick top and bottom gland plates, and it comes in an RAL 2000 orange colour. Manufactured by ABB.