Kontakt-5

Due to the shortcomings of Kontakt-1, NII Stali developed a new type of reactive armor, Kontakt-5, so that it also affects the penetration characteristics of APFSDS projectiles, unlike Kontakt-1.

The explosive of a 4S22 element has the TNT equivalent of 330 g. It is sensitive enough to be activated by impacts from armor-piercing projectiles as well as shaped charge warheads.

Kontakt-5 produces a stronger defensive detonation than Kontakt-1 and the thicker steel flyer plate thrown at the APFSDS projectile breaks or bends it.

Newer KE penetrators like the US M829A3 were "driven by the need to counter KE-effective explosive reactive armor (ERA)".

Monolith (which is often confused with the "Malachit" that was used on the Objekt.187) is the latest (4th) generation Russian explosive reactive armor, mounted on Armata project vehicles.

The advanced Kontakt-5 explosive reactive armour on this Indian Army T-90 S is arranged in pairs of plates with a triangular profile
Operation of ERA