An tsara babban makullin R7VI don karɓar haɗin kebul-shiga/fitar da kebul. Ana iya amfani da shi azaman makullin keɓewa. Makullin da aka katse yana da ikon canza duka nauyin juriya da inductive.
Samfurin ya yi daidai da IEC60947-3.
| Ƙarfin wutar lantarki mai ƙima (V) | 250/41550/60Hz |
| Matsayin halin yanzu (A) | 32,63,100 |
| Dogayen sanda | 1, 2, 3, 4 |
| Nau'in amfani | AC-22A |
| Ƙwaƙwalwar rufi mai ƙima | 500V |
| Rayuwar lantarki | 1500 |
| Rayuwar injina | 8500 |