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Will Tesys U be de rated with altitude? How will the de rating happens?

With higher altitudes, Tesys U will be capable of being used on lower voltages (Ue) and capable of switching lower amperages than the nominal (In).

Data generated by continuous engineering in March 2009.
WARNING : These values are based on our usual catalog and the indications of the standard IEC 947-1. 
                       No real test in altitude has been done on TeSys U.

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