Relay ea likoloi ke sesebelisoa sa makenete ea motlakase se sebetsang ho ipapisitse le mochini oa motlakase, o nolofalletsang{{0} matshwao a matla a tlase ho laola lisekete tse hlokang nako e phahameng haholo. Likarolo tsa eona tsa mantlha li kenyelletsa coil, mabitso, le seliba, 'me e sebetsa ho latela molao-motheo oa induction ea motlakase. Ha hona joale e phalla ka har'a coil, matla a khoheli a hlahisoa, a khanna mabitso ho fetola, kahoo a laola phallo ea hona joale.
Li-relay tsa likoloi li etsa mesebetsi e mengata ea bohlokoa mme ke karolo ea mantlha ea ts'ebetso e tloaelehileng ea litsamaiso tse rarahaneng tsa motlakase:
Taolo ea Potoloho: Li-relay li bapala karolo ea taolo ea potoloho lits'ebetsong tse ngata tsa mantlha tsa koloi, joalo ka ho laola mochini o qalang ka sesebelisoa se bonolo sa ho tima ntle le ho tšoara maqhubu a maholo ka kotloloho.
Matlafatso ea Hona Joale: Maqhubu a tlase{0}a sebelisoa ho laola{{1}lisebelisoa tsa motlakase tse phahameng (joaloka moea o pholisang moea le mabone a pele), ho thibela ho tlala ha li- switch switch.
Tšireletso ea Potoloho: Ha ho e-na le potoloho e feteletseng kapa e khutšoanyane, li-relays li ka khaola potoloho ka potlako, li sireletsa lisebelisoa tsa bohlokoa tsa motlakase ho senya.
Phetoho ea Letšoao: Li-relay li bohlokoa haholo phetohong ea mats'oao, joalo ka ho fetolela matshwao a mokhanni hore e be mats'oao a litaelo tse bobebe ka ho fetolela lits'ebetso tsa matšoao.
