>>63968129
It stops RPG-7 and similar-sized warheads, depending on what is behinid the ERA brick it even works against more modern tandem warheads to some degree.
If you want a specific example, there's a vid of a T-80 getting stopped by a panzerfaust 3 hit.
The hit blows off the idler and first roadwheel, shreds the front third of the track guard and immobilizes the tank because, well, the track is also blown off..
But the fighting compartment is not set on fire, the turret is not thrown. The crew got out.