Issue:
Temperature conditions for the Altivar Process Drives

Product Line:
Altivar 650 and Altivar 950 (IP55)

Environment:
All serial numbers for Altivar 650 and Altivar 950

Cause:
N/A

Resolution:
All IP55 Products, Drive Systems and Floor Standing Products can be operated up to 40°C without de-rating and up to 50°C with de-rating.
The de-rating factor depends on the ambient temperature, the mounting position and the switching frequency (see installation manual).

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