CE,ISO9000-TUV, Special for ball mill, Dust-proof casing design, MOQ: 1 PCS, EM318A Ball Mill Inverter 3-phase 380V, 90-250kW Technical featuresBuilt-in input AC choke for the inverter starting from 90kW, can effectively restrict the impact of stroke current caused by mutation or over voltage on the power grid, curb carrier current, improve power factor, dampen peak voltage on power supply, and ...