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 ... prolongs equipment’s life and enlarges installed capacity. No need for hydraulic coupler. Track and control mutual collision and friction between ...