ATV61/ATV71 Line reactor or DC choke requirements
Altivar 61 71 ATV61 ATV71
High HP units, greater than 100HP, 460V, greater than 75HP, 230V
DC chokes are included standard, but the drives can be ordered without a DC choke - form D.
If the DC choke is not used, a 5% line reactor must be installed on the line side of the drive.
This applies to ATV61/71 sizes:
125 HP 460V and above
75 HP 230V and above