Technical FAQs

Ask a Question

What are the insulation systems and average temperature rise ratings of the 9070 Type T and TF control transformers?

The infromation provided herein relates to the Type I dimension key breakdown by VA.  For Type II, III, and IV, refer to the table on page 12-15 of the Digest to translate to Type I.

The Insulation System <> Avg. Temperature Rise of 9070 Type T and TF, Type I dimension key are:
25 to 150 VA -- Class 105 <> 50 degC rise
200 to 350 VA -- Class 130 <> 80 degC rise
500 to 5000 VA -- Class 180 <> 115 degC rise

CTA-ID : 2001053
Was this helpful?
What can we do to improve the information ?