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 630 A. This switch features a delayed transition and level 3 control. 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. The colour of the enclosure is RAL 7035 grey.