... 4-2003Certificate: CCC The technical parameter of XJD1 Series Auto Voltage Reducing Starter as follows:Production DescriptionSuitable for AC50Hz ... type protected structure, It consist of the components of Auto transformer,AC contactor,Thermal overload relay, time relay ... protections.1. Below 75KW : Auto control operating mode2. Above 100KW: manual control and auto control two operating mode,transfer by ...