CJX2-K letoto la lihlooho tse AC contactors ke a loketse bakeng sa lipotoloho le lebelo khafetsa ho qala ho laola Motors lenaihana. Eketsa sehlopha se thusang sa contactor, u phele ka mokhoa o loketseng oa mocheso, 'me u ka nka bohato ho sireletsa potoloho hore e se imeloe haholo. E latela IEC60947-4-1
Li-contactors tsa AC hangata li sebelisa mekhoa e meraro ea ho tima arc: litima-motlakase tse peli tse nang le phoso e kholo, litima-mollo tsa longitudinal slit le arc exting. E sebelisetsoa ho felisa arc e hlahisoang ke mabitso a tsamaeang le a sa sisinyeheng nakong ea ts'ebetso ea ho bula le ho koala. Li-contactors tse nang le matla a kaholimo ho 10A li na le lisebelisoa tsa ho tima arc. The lenaihana contactor boetse o na le dikarolo thusang tse kang itsoara joang selemo, pafara selemo, ikopanya khatello ea selemo, mochine phetiso, botlaaseng le seemelong sa libese.
Molao-motheo o sebetsang oa lenaihana contactor ke ho sebelisa matla a motlakase le lebotho la selemo ho sebelisana ho hlokomela mabapi le disconnection tsa mabitso a mang. Motsoako oa AC o na le linaha tse peli tse sebetsang: boemo ba motlakase (boemo ba tokollo) le mmuso o matlafalitsoeng (boemo ba bohato). Khoheli ea motlakase e nyamela, sethunya se ntse se buloa hape, e le hore khokahano e bulehileng ka tloaelo e koaloe, 'me e lokolloe tlasa ts'ebetso ea boemo ba selemo, mabitso ohle a hlophisoa bocha ka nepo, mme sehokelo se boemong ba motlakase.
