TGE surge arresters, such as iec 60099 4 surge arresters, are the primary protection against atmospheric and switching over-voltages. They are generally connected in parallel with the equipment to be protected to divert the surge current. The active elements (Metal-oxide Varistors) of TGE surge arresters are manufactured using a highly non-linear ceramic varsistor material, composed primarily of zinc oxide mixed with other metal oxides and sintered together. It has passed the full series of type tests conducted by KEMA laboratory and fully meets the technical requirements of the latest version of IEC6009-4:2014、 IEEE Std62.11:2020. It has good protection level, strong charge transfer ability, excellent pollution resistance, and safe short-circuit performance.
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