The system appeared to be using the radar for the S-350, which is supposed to have improved anti-ballistic missile capabilities. Alas, it seems it is not good enough to intercept the ATACMS ballistic missiles that have been provided to Ukraine by the United States.
1x 96L6-TsP radar 3x TELs 1x likely 55K6E command post
ATACMS fragments can be seen in the videos and a photo.
Video of the S-400 system after it was hit.
Footage also appears to show that Ukraine may no longer have an artillery ammunition shortage on this section of the frontline. Heavy artillery fire is seen.