S7 surgace pahu kaapuni pōkole a me ka overload hana pale, a hoʻohana 'ia i loko o ka 'oihana, kalepa a me ka hale ho'olaha kukui. Loaʻa iā lākou nā pōmaikaʻi o ka pae kiʻekiʻe o ka pale (a hiki i IP20), ka mana haʻihaʻi kiʻekiʻe, ka hana hilinaʻi a me ka maʻalahi, ka maʻalahi, ka hoʻokomo ʻana i nā pou he nui, ke ola lōʻihi o ka lawelawe, a me nā mea ʻē aʻe. ʻelua, ʻekolu a me ʻehā mau pou kūpono no ke kaapuni o 50Hz a me 415V e pale i ka overload a me ka pōkole pōkole. Hoʻohana ʻia lākou no ka hoʻohuli ʻana i nā lako uila a me nā kaapuni kukui ma lalo o nā kūlana maʻamau.