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Is a line reactor required with the ATV61 or ATV71 drives if the DC choke is not used?

Published date: 23 July 2019

Issue:
When installing a High Horsepower ATV61 or ATV71, that you can order with or without the DC Choke, is a Choke or Line Reactor required?

Product Line:
Altivar 61 71 ATV61 ATV71

Environment:
High HP units, greater than 100HP, 460V, greater than 75HP, 230V

Cause:
DC chokes are included standard, but the drives can be ordered without a DC choke - form D.

Resolution:
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
 

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