On the EE75T3H transformer what does SO mean on the transformer? | Schneider Electric USA

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On the EE75T3H transformer what does SO mean on the transformer?

Issue:
Labeling "SO" meaning on the EE75T3H transformer

Product Line:
LV Transformers

Environment:
Products sold in North America

Resolution:
The SO is a UL designation that has significance only to the UL inspectors

Released for: Schneider Electric USA

Published on:4/15/2009Last Modified on:8/8/2025