Vacuum Ring Main UnitThe company Stelmec is the manufacturer of switchgear and provides Vacuum Ring Main Unit. The product Vacuum Ring Main Unit is a state of the art technology. Vacuum Ring Main Unit is an embedded vacuum interrupter that ensures safety of operator. Vacuum Ring Main Unit is a fully extensible device. Vacuum Ring Main Unit has long electrical and mechanical life. Application of Vacuum Ring Main Unit: Secondary Ring Main Distribution system, Remote substations, Industrial Distribution, Wind mill power plants and commercial as well as Infrastructural Establishment. Vacuum Ring Main Unit are offered with accessories that include Numerical relay for protection with CT, Cable Jointing Kits and Motorized Mechanism. The salient features of the Vacuum Ring Main Unit: