Positron OJSC is the leading and acknowledged manufacturer of polymer excess-voltage suppressors (EVSp).
The enterprise has introduced the whole cycle of EVSp manufacturing and developed resources for finished products testing.

Positron specialists have developed and implemented a technology of tube winding accompanied with vacuum glass fabric saturation with epoxy compound, which improves their dielectric and mechanic properties by more than 2.5 times.
Zinc-oxide varistors used in EVSp are supplied by the leading manufacturers from the USA, Germany, Austria, China and India.
EVSp have certificates issued by the International Electrotechnical Commission (MEK) and have passed all tests in authorized testing centers.
Positron EVSps work in circuit systems of Lenenergo, Tumenenergo, Bulk Power Grids of the Russian South, areas at the Volga and the Urals, at substations of the October Rail Road, in Kazakhstan, Belorus and Ukraine.
Positron OJSC introduces modern technologies, extends the range of products manufactured, helps to find scientific and technical solutions for electrical equipment protection against overvoltage as well as publishes manuals for EVS application in various sectors of industry.
Positron OJSC is open to cooperation proposals and is always willing to meet requirements of our customers