The ABB transfer switch disconnector is using a galvanised steel enclosure, with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21). Cable entry plates needs to be added. There are different cable configurations, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.

Rated operational voltage 1000V
Number of poles 4
Maximum mounted auxiliary contacts 4NO,4NC