... four kinds: 40mm, 60mm,100mm and 185mm. Busbar system is a busbar clearance standardization system, applied to low voltage power ... supply and distribution switchgear and controlgear , to make the busbar take the effect on electricity conduction and supporting the ... 100mm and 185mm.Compared with traditional wiring way , Tirh busbar system has following new technological features:the electric element is ...