Ensign Corp
ISO 9001:2008
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Frequently Asked Questions

What is temperature class?

Temperature class = The transformer insulation system The standard insulation system classification, are as follows: 105(A), 130(B), 155(F), 180(H), 200(N), and 220(R).

What is temperature rise?

Temperature rise is the difference between the average temperature of the transformer windings and the ambient temperature.