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What does ''ST20'' mean for a Low Voltage Dry Type Distribution Transformer?

Issue:
ST-20 Standard for Transformers

Product Line:
LV Transformers

Environment:
Applies to Low Voltage Transformers by SquareD/Schneider Electric

Cause:
Transformer ratings

Resolution:
This is a reference to NEMA Standard ST-20, to which SquareD/Schneider Electric builds and tests all Low Voltage Dry Type Distribution Transformers. The National Electrical Manufacturers Association (NEMA) Standard ST-20 is an Electrical Industry wide reference for testing parameters pertaining to Transformers.