Switchgear set ZB-22

Switchgear set type ZB-22 is an electrical device designed for use in underground mining pits in non-explosion hazard conditions and on the ground in non-explosive hazard conditions. Switchgear set ZB-22 comprises of three switchgears units connected by a busbar type BPP-05 and type BPP-06, mounted in a common structure. Switchgear set ZB-22 is designed for connecting and switching-on receivers to the mine 3-phase grid with insulated star point on the transformer (system IT) for rated voltage of 500V.