Solar Branch Connector ndi mtundu wa cholumikizira chanthambi cha dzuwa chomwe chimagwiritsidwa ntchito kulumikiza mapanelo angapo adzuwa kumagetsi apakati opangira mphamvu yadzuwa. Mitundu ya MC4-T ndi MC4-Y ndi mitundu iwiri yolumikizira nthambi yoyendera dzuwa. MC4-T ndi cholumikizira chanthambi chadzuwa chomwe chimagwiritsidwa ntchito kulumikiza nthambi ya solar panel ndi makina awiri opangira magetsi adzuwa. Ili ndi cholumikizira chooneka ngati T, chokhala ndi doko limodzi lolumikizidwa ku doko lotuluka la solar panel ndi madoko ena awiri olumikizidwa ndi madoko olowera amagetsi awiri opangira magetsi adzuwa. MC4-Y ndi cholumikizira chanthambi chadzuwa chomwe chimagwiritsidwa ntchito kulumikiza mapanelo awiri adzuwa ndi makina opangira mphamvu yadzuwa. Ili ndi cholumikizira chooneka ngati Y, chokhala ndi doko limodzi lolumikizidwa ndi doko lotulutsa mphamvu ya solar ndi madoko ena awiri olumikizidwa ndi madoko a mapanelo ena awiri adzuwa, kenako ndikulumikizidwa ndi madoko olowera amagetsi opangira mphamvu ya dzuwa. . Mitundu iwiriyi ya zolumikizira nthambi za dzuwa zonse zimatengera muyezo wa zolumikizira za MC4, zomwe zili ndi mawonekedwe osalowa madzi, kutentha kwambiri komanso kusamva kwa UV, ndipo ndizoyenera kuyika ndi kulumikizana kwamagetsi akunja adzuwa.
