What is the minimum clearance between conductive components inside a Low Voltage (600V max) Dry Type Transformer?

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Issue:
Internal clearance requirements for Transformer components

Product Line:
LV Transformers

Environment:
Applies to LV Transformers by SquareD/Schneider Electric

Cause:
Transformer live metal components must maintain a clearance from each other to prevent arcs and corona effects

Resolution:

With customer lugs and cable installed there should be a minimum of 1 inch clearance between live parts including ground.