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11KV-36KV High Quality Silicon Rubber Zinc Oxide Lightning Surge Arrester | Polymer Metal Oxide Arrester for Electrical System
How does ZnO varistor work?
ZnO has good non-linear Volt-Ampere characteristics which flowing current is tiny when working under normal voltage. However, when there's over-voltage, its non-linear Volt-Ampere characteristics takes protection effect on leakage and breaking current, as the resistance will decrease rapidly and leak the energy of over-voltage.





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