Zinc oxide arrester is a lightning protection device with superior protection performance, light weight, pollution resistance and stable performance. It mainly uses the good nonlinear volt-ampere characteristics of zinc oxide to make the current flowing through the arrester extremely small (microampere or milliampere level) at normal working voltage; when overvoltage acts, the resistance drops sharply, discharging the overvoltage energy to achieve the protection effect.
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An electrical appliance used to protect electrical equipment from high transient overvoltage hazards and limit the follow-through time and often limit the follow-through amplitude. The lightning arrester is usually connected between the grid conductor and the ground wire, but sometimes it is also connected next to the electrical winding or between the conductors.
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