Switchgears type SPR-1 and SPR-2
Switchgears type SPR-1 and SPR-2 are an electrical devices designed for use in the underground mining faces in non-explosive hazard conditions and on the ground in environment 2. Switchgears type SPR-1 and SPR-2 are designed for connecting and branching-off mine 3-phase grid circuits with insulated star point of the transformer (IT system) for the grid rated voltage of 500V.