WEG Transformers Africa (WTA) is one of the largest manufacturers of mini substations and distribution transformers in South Africa. Operating two manufacturing facilities, one in Wadeville and the other in Heidelberg, WTA has the capability to design, engineer and manufacture the complete range of transformers presently in use in the countrys mining and industrial sectors WTA Wadeville produces standard distribution, power and special application transformers ranging from 50 kVA to 10 MVA in voltages up to 66 kV with off-load tap switch or on-load tap-changers. The Heidelberg facility, which was previously TSS Transformers, is capable of locally manufacturing power transformers up to 40 MVA in voltages up to 132 kV as well as mini substations and moulded circuit breakers