The VW3A9649 is a DNV kit from Schneider Electric, a mounting and fixing accessory set designed for variable speed drives in size 15V. The kit composition includes the mechanical fittings — profiles and brackets — required for fixing, plus shock-absorbing mounts. Its specific application is to satisfy the requirements of the DNV certification body, meaning it equips the drive for marine and offshore installations where DNV type approval is specified.
This part is classified as Obsolete by the manufacturer.