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 250 A. This switch features a delayed transition level 3 control, ensuring smooth and reliable power transfer. With an IP65 rating, it offers protection against dust and water ingress. The enclosure is made of 1.6 mm thick mild steel and includes top and bottom gland plates for easy cable entry. The switch is coloured RAL 2000 orange, providing high visibility in industrial environments.