Is the conformal coating included as standard in Altivar 71.
The conformal coating is included in the reinforced product version. it conforms the IEC60721-3-3 Class 3C2.
ATV71HD90N4 to HC50N4 drives are supplied as standard in a reinforced version. No need to add S337.
To order ATV71H075N4 to HD75N4 drives in a reinforced version, add S337 at the end of the reference. For example: ATV61H075N4 becomes ATV61H075N4S337.