thermal overload relay/3UA 1.voltage:660v,1000v 2.current from ... 3UA Thermal Overload Relays 3UA series thermal overload relay is suitable for using in power system with ... voltage (V)Current setting range (A)3UA5012.56600.1~0.16, 0.16~0.25, 0.25 ... 0.63,0.63~1.0, 0.8~1.25, 1.0~1.6, 1.25~2.0,1.6~2.5, 2 ... 0.63,0.63~1.0, 0.8~1.25, 1.0~1.6, 1.25~2.0,1.6~2.5, 2 ... 0.63,0.63~1.0, 0.8~1.25, 1.0~1.6, 1.25~2.0,1.6~2.5, 2 ...