... -O-II Standard:IEC60947-3; Certificate:CE; Rated Current:15,30,63,100A Cover type:Resin;Aluminium QS5 cam starter is ... used for start,stop,forward or backward directly three-phaseasynchronous electric motor with AC 50Hz,voltage up to 500V and capacity upto ... ;I-O-IIStandard:IEC60947-3;Certificate:CE;Rated Current:15,30,63,100A Cover type:Resin;Aluminium