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What is the maximum operating altitude for the AC890?

A. The maximum operating altitude for an AC890 is 2000m (6500 ft.). 
Note: The drive has to be derated linearly 1% per 100 meters above 1000m to a MAXIMUM of 10% at 2000m (6500 ft.).
 
B. The maximum operating altitude for an 890PX is 4600m (14950 ft.). 
Note: The drive has to be derated linearly 1% per 100 meters above 1000m to a MAXIMUM of 36% at 4600m (14950 ft.). 

13SEP2016 LS