UP series comb busbar are latest products developed by UPUN based on market requirements, UP series busbar create new connection type which different from conventional mini circuit-breaker, ａｎｄ enhance contact area, decrease power losses ａｎｄ temperature rise. Conductor placed in insolation casing to avoid human touching. The ｃｈａｒacters that enjoyed by users are: safe, reliable, time saving, convenient ａｎｄ cost saving. UP are made of pure copper, good conductivity, low contact resistance, diverse models, the patent No. issued by State Intellectual Property Office of P.R.C :200430083224.0