3SDB-1M distribution system is suitable for AC 50/60Hz circuits, rated
voltage up to AC 660V, and rated current up to 125A.Ideal for distributing
control of modern building such as large office buildings, hotels,
department stores, industrial and mining enterprises. It can protect
electric appliances from overload voltage and current as well as provide
added protection for short and frequent on/off switches under normal
operating conditions. It is one of the most reliable general distribution
systems in the world.