... CE ,UL. The specification of Thermal overload relay ( overload relay, over-load relay,thermal relay,power relay,lrd thermal relay,lrd)as following:1.Rated ... :660VMax;2.Rated operating vo1tafie:AC 660V DC600V;3.Appointed thermal current 1th:10A;4.Max.operating frequency:12000ps/h;5 ... .The combiation form of contacts as Table 2,DC-13 Thermal overload relay