General -purpose relay ndi chinthu chamagetsi chomwe chimagwiritsidwa ntchito kwambiri poyang'anira dera. Makhalidwe ake apamwamba ndi kusinthasintha kwakukulu, kudalirika kwakukulu, kuwongolera kwakukulu, kusinthasintha kwakukulu, ndi kukula kochepa.
General-purpose relay ndi chinthu chamagetsi chomwe chimagwiritsidwa ntchito kuwongolera siginecha yamagetsi pagawo potsegula kapena kutseka, potero kulumikiza kapena kudutsitsa siginecha.
Wamba-purpose relay ndi chipangizo chamagetsi chomwe chimasinthira masinthidwe a sigino yotuluka poyang'anira chizindikiro cholowetsa. Nthawi zambiri, -kutumizirana zinthu kumapangidwa ndi koyilo, zolumikizana, ndi chitsulo chokhazikika. Pamene koyiloyo ikukondwera ndi zamakono, imapanga mphamvu ya maginito, yomwe imachititsa kuti ogwirizanitsa atseke kapena atsegule, motero amawongolera chizindikiro chamagetsi mu dera. General-purpose relay ndi chinthu chodziwika bwino chamagetsi chomwe chimagwiritsidwa ntchito kuwongolera siginecha yamagetsi pagawo poyitsegula kapena kutseka, potero kulumikiza kapena kudutsitsa siginecha.
