LH-BX (36 hupamhi) yakatevedzana surge protector (inozonzi SPD) inokodzera IT, TT, TN uye mamwe magetsi emagetsi masisitimu e-low-voltage AC kugovera masisitimu kuchengetedza mheni isina kunanga, mheni yakananga kana kumwe kupfupika kwe overvoltage surges.
Chechipiri-uye chechitatu-chikamu chekuvhiya vadziviriri uye Kirasi II bvunzo yekuvhiya vadziviriri yakavakirwa paiyo IEC61643-1 chiyero. SPD ine yakajairika modhi (MC) uye yekusiyanisa maitiro (MD) nzira dzekudzivirira.
Izvo zvigadzirwa zvinoenderana nemazinga akadai seGB/T 18802.11 uye IEC61643-1.