10Kva 240v to 110v Step Down Site Power Tool Transformer 10Kva with 6 16amp Sockets. Transformer for operation from single phase 230 volt mains supplies providing 110V Center Tapped Earth (CTE) output for the operation of portable tools, lighting and other construction site equipment.It is designed to provide power of 10kVA through a number of output socket options. The unit has 4 x 16A sockets and 2 x 32A sockets.