The TruONE(r) Automatic Transfer Switch by ABB 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 and level 4 control. The switch has an IP65 rating, ensuring protection against dust and water ingress. With a thickness of 1.6 mm, it comes with top and bottom gland plates for easy installation. The switch is coloured RAL 2000 orange, making it easily identifiable.