Products Description
Standing zinc oxide arresters are used to protect electrical equipment such as distribution transformers and cable heads from atmospheric overvoltage damage.
Details of Product
The standing zinc oxide arrester is a type of zinc oxide arrester. The zinc oxide arrester is a new type of arrester developed in the 1970s. It is mainly composed of zinc oxide varistor. Each piece of varistor has a certain switching voltage (called varistor voltage) when it is made. Under normal working voltage (that is, less than the varistor voltage) the varistor value is very large, which is equivalent to the insulation state, but under Under the action of impulse voltage (greater than the varistor voltage), the varistor is broken down at a low value, which is equivalent to a short circuit state. However, after the varistor is struck, it can return to the insulation state; when the voltage higher than the varistor voltage is removed, it returns to the high resistance state. The standing zinc oxide arrester has the characteristics of good protection performance, no discharge gap, no afterflow, resistance to pollution, resistance to aging, and explosion-proof.
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