All ATV312 and ATV31
High altitude, more than 1000m
What is the effect of the high altitude on the drive.
For all ATV312, less than 1000m, no derating.
For single-phase supplie and corner grounded distribution networks, up to 2000m, derateing 1% per 100m.
For three-phase supplies, up to 3000m, derating 1% per 100m.