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    Can the ATS22 operate at 50 deg C temperatures?

    Issue:
    Operating temperature range for the Altistart 22.

    Product Line:
    ATS22, Altistart 22

    Environment:
    All models, all serial numbers.

    Cause:
    high or low ambient temperatures.

    Resolution:
    The standard current ratings for the ATS22 is based on an ambient temperature of 40C (104F).  

    The minimum operating temperature is -10C (14F).  The maximum operating temperature is 60C (140F).
    When operating above 40C (104F), the softstart needs to be derated by 2.2% for every degree Celsius above 40C (104F).

    For example:  ATS22D32S6U is 32A rated.  For an ambient temperature of 50C (122F), derating is 22% (2.2 x 10).  The 32A softstart rating becomes 24.96A (32A x 0.78 = 24.96). 

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