Couplers are designed for fast connection of electric circuits with voltage up to 1140 V with frequency of 50 and 60 Hz of alternating current at connection of flexible cables to electric motors and electric equipment of coal combines and other downhole machines, as well as for connection of two sections of flexible cables laid along mine workings of coal mines and mines.Connectors are designed to work: - in coal mines, dangerous by explosion of methane gas mixture and (or) coal dust with air, can be subjected to mechanical impact of falling coal and rock, as well as the impact of aggressive alkaline and acid mine water and intensive dusting with coal dust; - in networks with remote control circuits.
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