Auto Transformer with Silver Plated Commutate Surface is available with close voltage regulation and is praised for its superior performance under high temperatures. The Auto Transformer has the ability to dissipate the generated heat faster and comes with silver plated commutate surface. The Auto Transformer offers variable voltage by modulating the available voltage. Auto Transformer with Silver Plated Commutate Surface is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service.