Victron Energy Autotransformer 120/240V-100A | ITR000100101The Victron Energy auto transformer is mainly used for step up step down and split phase output balancing. the step up step down converter functionality is a straightforward process allowing 220 240 devices to work with a 110 120 input from the primary voltage or 110v devices The step up step down feature is very similar to any other voltage converter that takes the high or low primary voltage and transforms it into the required secondary voltage. For