... 1.voltage:660v,1000v 2.current from 0.1A to 630A 3.AC three-phase 4.IEC60947-5 3UA Thermal Overload Relays ... up to 660V and 1000V, current from 0.1A to 630A. It is used to protect AC three-phase asynchronous motor ... , 2.5~4.0, 3.2~5.0,4.0~6.3, 5.0~8.0, 6.3~10.0, 8.0~12 ... , 2.5~4.0, 3.2~5.0,4.0~6.3, 5.0~8.0, 6.3~10.0, 8.0~12 ... , 12.5~20.0, 16.0~25.03UA54326604.0~6.3, 6.3~10.0, 10.0~16.0, 12.5~20 ...