A new active protection system from Russia appeared today at RAE-2013, as part of the display of a series of upgrades offered to The T-72 main battle tanks. The new system, dubbed Arena-3 covers 360 degrees in four quadrants with four modules, which seems to comprise two sensors two effectors. According to the manufacturer, two targets can be intercepted at each direction, at 0.3 second intervals. The system is effective at elevation of +20 degrees and -6 degrees. It is designed to intercept projectiles and missiles at a distance of 50 meters from the protected tank. The previous configuration included multiple effectors and a high profile radar that has not received well among tank crews. According to the tank manufacturer Uralvagonzavod, the system is effective at target velocity of 70-1000 meter/second (pertaining to RPGs, anti-tank missiles and HEAT tank rounds). The upgraded T-72 with Arena-3 weighs 46.5 tons.
