1. standard: IEC60947-4-1 2. CE certification 3. connect with CJX1 4. OEM business is acceptable JRS2 thermal relay is suitable for AC 50/60Hz, voltage up to 660V and current up to 630A,general AC motor of long or discontinuous long operation, used as overload protection and hasthe functions of breaking phase protection, temperature compensation, and trip indication. Itcan automatically and ...