Relays for mining

Central-blocking safety device CUKI-10

Leakage central-blocking device type CUKI-10 is designed for controlling the earth resistance of a grid (including frequency converters) for rated three-phase voltage of 1000V/50Hz with isolated star point on the transformer (system IT), to be used with equipment designed for working on the ground and underground mining in mine face pits in non-explosive conditions, in conditions without methane explosion hazard and classified as A coal-dust explosion hazard.

see also

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