To determine the size of the transformer you need, determine the following requirements for your transformer:
Next, determine if your application is single-phase or three-phase, and use the corresponding formula at the right.
The KVA of the transformer should be equal to or greater than the KVA of the load to handle present requirements and to account for future expansion.
As a service to you, we offer a transformer specifier to help you find your transformers quickly and easily.
Use the calculating forms below if you know your Load Voltage and Load Current
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