... ).Certificate:UL.VDE,SGS,ROHS,ISO 90001 2008 2. Electrical parameters for MYG Varistor 10D471K Part noVacVdcVaristor voltageVCIP8/20us MAX peak current ... UL,VDE,SGS,ISO 9001 2008,ROHS etc approval certificate for our product ! We have export to USA,UK,Canada,Autralia ... right to export and import ! Welcome to your inquiry ! Thanks for your attention !