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What is the relationship between IH; and IT? Why the gap?

Publish Time:2013-12-17   |    Click:2058

  For most of our products there is a 2:1 relationship between IT and IH. For some products this can be as low as 1.7:1 and for others as great as 3:1. The material and manufacturing variances in resistance as well as the change of resistance after a trip event or high temperature installation will determine the ratio of IT to IH. For most of our products this makes the 2:1 ratio the most practical value.


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