The integrated mast on 20385 has S-band rotating single-face Furke for volume search of surface/air targets on the top, fixed four-face X-band Zaslon (derived from MiG-31 fighter radar) for SAM/artillery fire control in the middle and the lowest set of four faces is passive/active ESM (S, C, X, Ku band)/ECM (X, Ku band) set also used for OTH of AShM.
That's the smaller version of Furke from the one on the Gorshkov. I think there are three different versions.
The Zaslon here only shares one thing with the Zaslon on the MiG-31 and that is the name. The MiG-31 Zaslon is a PESA, with a very circular array.
This one here has a modular block like face, with the radar divided into subarrays, as you can see from the image, and this points to be a much more advanced AESA.
The lower set of faces is also an AESA, not ESM. You can see the face divided into four sections, that's a monopulse radar.
It may work in a passive mode, but there is definitely an active mode which is straight out radar targeting. And it needs it, since the ship needs a gunnery fire control radar for the AK-630s and the main gun, as the Puma FCR used on the Gorshkov class is omitted in this ship.
Directional finding and signal collection ESM is the pair you see on twin arms on the upper part of the mast, and the three panels of different sizes behind the radars are the ECM. These are all a brand new set not seen in the Gorshkov class or in any previous Russian ship.