HomeVictronAutotransformer 120/240V-100A Autotransformer 120/240V-100AR9,790.00 View Data Sheet Autotransformer 120/240V-100A quantity Buy now Add to Wishlist Add to Wishlist SKU: ITR000100101 Category: Victron Product ID: 26976 Description Description An Autotransformer can be used for step up, step down and split phase output balancing purposes. While the step up and step down functions are fairly straightforward, split phase output balancing may require some more attention.