Hāʻawi nā mea pale uila haʻahaʻa haʻahaʻa Yuanky i ka pale no nā laina luna uila haʻahaʻa, nā lako o ka mea kūʻai aku, nā mea hoʻololi hoʻolaha a me nā ʻōnaehana ʻē aʻe. ʻO ka varistor metal-oxide gapless i hoʻokomo ʻia i loko o ka mea pale uila e kau pono ana i nā palena haʻahaʻa haʻahaʻa ma nā piʻi i hoʻokumu ʻia e nā overvoltage atmospheric a me nā transients hoʻololi, no laila e pale ana i ka insulation o nā pūnaewele a me nā lako o ka mea kūʻai aku. He manawa pane pōkole loa ka varistor (maʻamau<100 ns) a hiki ke lawelawe palekana i nā impulses o ke au kiʻekiʻe a hiki i 100 kA, 4/10 μs. ʻO ke au hoʻokuʻu maʻamau o ka arrester he 10 kA. Hoʻopuni ʻia ka varistor metal-oxide i loko o kahi hale polymer paʻa a kū i ka wā. Ua hōʻoia nā hoʻokolohua he nui i ke kūpaʻa o ka hale, ʻoiai ke hōʻike ʻia i nā loli wela koʻikoʻi a me ka haumia. Hoʻokō nā arresters surge LV i nā koi Class II e like me ka mea i wehewehe ʻia e IEC 61643-1.