... .IEC60947-5 3UA Thermal Overload Relays 3UA series thermal overload relay is suitable for using in power system with AC 50 ... (A)3UA5012.56600.1~0.16, 0.16~0.25, 0.25~0.4, 0.32~0.63,0.63~1.0 ... .0~12.53UA52256600.1~0.16, 0.16~0.25, 0.25~0.4, 0.4~0.63,0.63~1.0 ... ,10.0~16.0, 12.5~20.0, 16.0~25.03UA54326604.0~6.3, 6.3~10.0, 10.0 ... .0~80.03UA59636600.1~0.16, 0.16~0.25, 0.25~0.4, 0.4~0.63,0.63~1.0 ...