... , IEC60947-2Approvals: CB,CE,VDE (applying)Rated current ln (A): 1, 2, 4, 6, 10, 16, 20, 25, 32, 40, 50, ... B,C,DCharacteristic curve B(ln): 3-5Characteristic curve C(ln): 5-10 Characteristic curve D(ln): 10-20Thermal operating limit (ln): 1.13–1.45Degree ... of protection:IP40(top),IP20(terminal),with connected conductorsElectrical life (0-C): 10 ...