ZINC OXIDE RESISTOR DISK

"Zinc oxide varistors can be used in porcelain-housed or composite-housed surge arresters, with surrounding media such as air, N2, SF6, etc. This series of varistors can meet the technical requirements of all specifications of AC metal-oxide surge arresters under GB11032 and IEC60099-4. If users have special requirements, our company can customize them according to customer needs
Note: This translation was generated by AI for reference only."

METAL OXIDE SURGE ARRESTER

Metal oxide surge arresters are currently the most advanced overvoltage protection devices worldwide. Their core elements, made of zinc oxide and various metal oxides, ensure that under normal operating voltages, the current flowing through the arrester remains at the microampere level. When subjected to overvoltages, the arrester's superior nonlinear volt–ampere characteristics come into play, causing the current to surge instantaneously to several thousand amperes. At this point, the arrester enters a conducting state, dissipating the excess energy and thereby effectively limiting the damage caused by overvoltages to power transmission and transformation equipment.