BSM5 sliding contact multipole ilumination busbar for aluminum alloy shell,engineering plastic inner tube,a power supply.lighting power supply and hanging lamp mufti function of small bus.Divided into seven pole bus and pentode bus,applied to dothing factory,electronics factory and other labor-intensive industry.This product is safe,beartiful,simple instalation,flexible supply points,convenient to hang lamps,assembly and disassembly easy repair.(1) seven pole bus slot with seven conductors,below the four level for the three-phase power for three-phase to single-phase lighting or above,using of thepower,with a three-phase socketsocketsocket,single-phase three-phase single combined socket and other parts.(2) a pentodelighting busbar is used for lighting and supporting small bus slotbut also can be used as a small electric equipment,electric toolsorsupplying power for electric iron.The product is built in five conductor,can move up and down in two circuit lighting circuit foithree-phase power lines or to use, its greatest feature is the busway location can be arbitrary extraction power and hanginglamps,flexibe assembly,convenient refit