Protection of underground steel pipelines and structures (oil pipelines, gas pipelines and other pipelines for various purposes, utility facilities, tanks, storage facilities and other facilities) from electrochemical corrosion, including in soils with increased aggressiveness. The rectifiers are made according to the block principle, which ensures easy maintenance and prompt repair. Protection degree of rectifiers B-OPE-TM-1 is IP34, and B-OPE-TM-2 - IP10 according to GOST 14254-2015. Control units have protection degree IP44.
Cooling is natural air cooling.
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