Zinc Oxide Surge Arresters bụ ihe mgbochi kachasị elu megide oke voltaji n'ụwa. Ebe ọ bụ na ndị na-emegide ZOSA bụ ihe nkiri zinc oxide mejupụtara. Zinc Oxide Surge Arresters nwere àgwà voltaji-ampere dị mma ma e jiri ya tụnyere ndị na-ejide SiC, ọ bụ n'elu voltaji na nke ugbu a na-abawanye ụba nke ukwuu ma mee ka mgbanwe ndị dị mkpa nke àgwà ZOSA pụta. The microns ampere degree current na-agba naanị mgbe ZOSA na-arụ ọrụ n'okpuru voltaji nkịtị, ma ọnụ ọgụgụ nke ugbu a ga-abụ ọtụtụ puku am-peres mgbe ZOSA na-eguzosi ike n'ihe, n'ihi na ZOSA na-eguzosi ike. njirimara na-abụghị linear. N'oge ahụ ọ bụ n'ihe banyere site na steeti enyemaka n'elu-voltaji ike, nke mere na-amachi n'ụzọ dị irè mmebi nke ngwá ọrụ nke nnyefe na mgbanwe.