The following are currently the only approved Fluorescent Dimming ballasts for Unison DR Racks
2 wire:
Advance Mark X (10)
3 wire:
Lutron FDB Hi Lume
Lutron ECO 10
4 wire:
Advance Mark 7
There are other ballasts that have been tested and approved for Sensor. If you have questions about ballast compatibility please contact App Engineering.