Johnson J12855 12KVA Auto Transformer 190-480V 400V 3PH 60Hz

Johnson J12855 12 KVA Three-Phase Autotransformer is an industrial electrical transformer designed to provide voltage conversion for three-phase electrical systems. The unit is rated at 12 KVA and operates at a standard 60 Hz frequency. It is configured for an input voltage range of approximately 190 to 480 volts and provides a 400-volt output.

The autotransformer configuration allows the unit to adjust the available three-phase supply voltage to the required 400-volt operating voltage for compatible industrial equipment and electrical loads. With a 12 KVA capacity, the transformer is suitable for applications requiring moderate three-phase power conversion, including industrial machinery, motor-driven equipment, control systems, and other electrical equipment requiring a 400-volt supply.