... 520V70~550V70~550V70~550V70~550V70~550V70~550V70~550VInput power supplyThree phase 380V±20% 50 or 60HZOutput oscillating frequency1KHZ~20KHZ It ... 8/MinPower waterwaysOne water inlet, one water outletOne water inlet, three water outlet1. This equipment adopts the IGBT inverter circuit in ... be achieved;2.Small size and portable , compared with SCR controlled machine, only 1/10 working space is needed, ...