Relay & Industrial Control switch
Kusintha kwa batani kumatanthawuza kugwiritsa ntchito mabatani kukankhira makina otumizira, cholumikizira chosunthika ndi makina olumikizirana osasunthika kapena kutulutsa ndikuzindikira kusintha kozungulira. Kusintha kwa batani ndi mtundu wosavuta, kugwiritsa ntchito kwake ndikwambiri.