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What is the difference between a K4 and a K13 rated transformer?

The K4 transformer is used in applications in which a major portion of the load is non-linear devices, and the 24 hour average load duty cycle is 80% or higher. The K13 rated transformer is used where the majority of the load is non-linear, and the 24 hour average load duty cycle is 95% or higher. In practical applications, ratings higher than K13 are never necessary.


CTA-ID : 2021526
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