ZGS11 series e kopantseng transformer ke mofuta o mocha oa thepa ea kabo ea matla (eo hape e bitsoang American box variable), e tla phahama 一 voltage switch plug-in fuse, fuse e fokotsang khatello ea hona joale e kentsoeng ka har'a transformer, ho kenya le ho pholisa ka oli ea diminerale, kahlolo e molemo sebopeho diseke ee, bophahamo ba modumo nyenyane, tlhomamiso tenyetsehang, tshebetso loketseng, koahela sebaka sa sebaka se senyenyane, joalo-joalo Combined transformer e haholo-holo e sebetsang ho mojaro setsi keriti motse, ho fokotsa tshebediso ya, ho ntlafatsa boleng ba phepelo ea motlakase.
Letoto lena la lihlahisoa le 'nile la sebelisoa haholo metseng ho pholletsa le naha, le libaka tsa sechaba, likhoebo tsa merafo ea indasteri joalo-joalo.