Frequently asked questions
What is the difference between a regular transformer and an isolation transformer? What is an autotransformer?
FA123708
29 September 2021
Issue:
Clarification of the difference between an Isolation Transformer and an Autotransformer
Product Line:
LV Transformers
Environment:
Definition applies to all Transformer Products from SquareD/Schneider Electric
Cause:
The distinction between an Isolation Transformer and an Autotransformer is required for proper application
Resolution:
Any two winding transformer where the primary and secondary are not electrically connected is an isolation transformer.Clarification of the difference between an Isolation Transformer and an Autotransformer
Product Line:
LV Transformers
Environment:
Definition applies to all Transformer Products from SquareD/Schneider Electric
Cause:
The distinction between an Isolation Transformer and an Autotransformer is required for proper application
Resolution:
In contrast, an autotransformer has a physical, electrical connection between the primary and secondary.