mining explosion-proof vacuum feeder switch
mining explosion-proof vacuum feeder switch can be used as master switch in the first or the end slip distributionist
Mining explosion-proof vacuum feeder switch is used in coal mines containing explosiove gas and coal dust for three-phase isolated neutral power supply system with AC50Hz ,voltage 1140V ,and rated current to 630A (500A) .It can be used as master switch or sub-switch in the first or the end slip distributionist can be used as its low-fed Docking with the mobile substain.
mining explosion-proof vacuum feeder switch
