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Extremely high harmonic content loads may exceed standard levels of K rating
Applies to Ventilated Transformers by SquareD/Scheider Electric
Requests for K rated Transformers higher than the standard K4 or K13
Square D/Schneider Electric does not supply K factor rated units above K20 rated. Square D/Schneider Electric K20 Transformers are available only in 150 C rise. A lower temperature rise design would not develop enough impedance to provide reduction of harmonics in the circuit.
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