What Is the Maximum Allowed Humidity for Altivar ATV61 and ATV71 Drives?
Resolution:
The maximum allowable humidity for Altivar ATV61 and ATV71 variable frequency drives (VFDs) is 95%, provided there is no condensation or dripping water present.
To ensure reliable operation and prevent damage, always install and operate the drives in environments where moisture does not condense on internal components.
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