Explosion-proof socket for outdoor installation VR MK RN, is a connector for connecting mobile equipment by fully connecting it to the explosion-proof plug VR MK VN and moving it to the "ON" position and is designed for a rated voltage of no more than 690 V DC and AC with a frequency of 50 (60 ) Hz and rated current no more than 125 A.

Explosion-proof connectors by their design can be used both in open production areas and in production facilities engaged in the extraction, processing and transportation of oil and gas, the chemical industry, as well as in mines and mines hazardous for gas and dust.