Enclosed Single Phase Variable Auto Transformers

Our range of variable autotransformers (often referred to as variacs) are used for the variable control of voltages from 0V to 270V (single-phase) and 0V to 470V (three-phase). Variable autotransformers are frequently used in repair shops for testing appliances under differing voltages or to imitate irregular line voltages.
Select the transformer with the mounting option and phase of your choice then pick your amperage from the dropdown menu inside.

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