... home use load:30KW,voltage:90-250V CE,ISO9001,ISO14001,ISO28001 Itemhot sell single phase energy ... saver with CE,ISO9001,ISO14001,ISO28001Work StatusSuitable for families, commercial ... appliances6. Harmonizes electrical current, reduces7. Have gained CE&ISO certification8. At least 10years use life9. Easy ... OEM&ODM cooperation12.have gained CE,ISO9001,ISO14001,ISO28001