Yes.
The redesign of the VT card allows for re-configuration of the BNCs to fit in an A3000 without having to hack the case.
You won't get VT AGA features.
Also note info from NEWTEK Amiga VT FAQ:
Product: Toaster 4.1 Software
Platforms: A3000 A3000T
Problem: Difficulties in installing to or operating in an A3000 system
Solution: Check to make sure that the A3000 has a Buster REV 7 custom chip.
