On Energy Efficient Transformers ending in T151HCT, why is there an H0 terminal? How is it wired?

Issue:
H0 Terminals on T151HCT Transformers

Product Line:
LV Transformers

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

Cause:
T151HCT Transformers have 480V Wye primaries


Resolution:

To properly wire the primary of an EE***T151HCT Transformer, the H0 terminal, if there is one, is not to be connected. Connect only the H1, H2, and H3 terminals to the 480V primary source.

Released for: Schneider Electric Canada