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They apply to protect the electrical equipment in AC power system against the damage resulted from atmospheres over-voltage . Basic principle:the zinc oxide arrester is the most advanced over-voltage protector in the world .Due to make the risistor disc of core component mainly adopt zine oxide arrester .Compared with the conventional silicon carbide arrester ,this presciption of the product ...

the zinc oxide arrester is the most advanced over-voltage protection the world,due mainly adpot zine oxide arrester compared with the conventional silicon carbide arrester eatlythe volt-ampere charasterisics of the resistor disc and increased through-current