Hita ea PTC ke hitara e etselitsoeng likoloi tse ncha tsa matla.Sefuthumatsi sa PTC se futhumatsa koloi eohle, se fana ka mocheso ho cockpit ea koloi e ncha ea matla 'me e finyella litekanyetso tsa ho senya le ho senya ka mokhoa o sireletsehileng.Sefuthumatsi sa PTC se ka futhumatsa mekhoa e meng ea koloi e hlokang taolo ea mocheso (mohlala, betri).Mofuthu oa PTC o sebetsa ka ho futhumatsa antifreeze ka motlakase hore o futhumatsoe ka hare ke moea o futhumetseng.Mocheso oa PTC o kenngoa tsamaisong ea potoloho ea metsi e pholileng moo mocheso oa moea o futhumetseng o leng bonolo ebile o laoloa.Mofuthu oa PTC o khanna li-IGBT ka taolo ea PWM ho laola matla 'me o na le nako e khutšoanyane ea ho boloka mocheso.Sefuthumatsi sa PTC se baballa tikoloho ebile se baballa matla, ho ipapisitse le ho tšoarella ha tikoloho mehleng ea kajeno.