I-GDJW-40B ingasetyenziselwa ukuvavanya i-voltage yokusasazwa kwe-insulator exhonyiweyo ehlawulisiweyo okanye ukubonwa kwebhubhoratri yesithinteli esinqunyanyisiweyo, kunye nokwenza ukuba kubonwe ngokufanelekileyo ingxaki yangaphakathi efihliweyo ye-insulator, ukuphucula ukuthembeka kokusebenza kwenkqubo yegridi yamandla, kunye nokuphucula. ukusebenza kakuhle kwabasebenzi abaqhuba uvavanyo ephilayo.