Mitundu ya mabokosi ogawa nthawi zambiri amagawidwa malinga ndi cholinga chawo komanso mphamvu zake. Mitundu yodziwika bwino ndi iyi:
Chitsanzo 〡 Cholinga 〡 Mphamvu ya Kuwerengera
GCK 〡 Low-kugawa magetsi 〡 1000V ndi pansi
GCS 〡Kugawa kwapakati-voltage 〡 3-10kV
MNS 〡 Low-kugawa magetsi 〡 1000V ndi pansi
GGD 〡Otsika-kugawa magetsi 〡 380V
PZ30 〡Kuyatsa kwapanyumba 〡 220V