Are Square D/Schneider Electric's 9070 Type T or TF Control Transformers varnish dipped and baked, Vacuum Pressure Impregnated (VPI), or Epoxy Encapsulated?

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Issue:
Specifications may call for Vacuum Pressure Impregnated (VPI) Control Transformers

Product Line:
LV Transformers

Environment:
Applies to Class 9070 Type T and TF Control Transformers

Cause:
Vacuum Pressure Impregnated (VPI) Control Transformers have greater resistance to corrosion and other damage to the core and copper windings

Resolution:

Square D's 9070 Type T and TF Industrial Control Transformers, the premier product in the industry, are Vacuum Pressure Impregnated (VPI) with a polyester varnish, then baked to seal out moisture and other contaminants.