Determine the use conditions of the arrester according to the environmental conditions of the area of use
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Select the type of arrester according to the object to be protected
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Determine the material of the arrester jacket
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Determine the continuous operating voltage of the arrester based on the highest long-term voltage
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Determine the rated voltage (power frequency withstand characteristics) of the arrester based on the transient overvoltage level, etc.
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Determine the protective characteristics of the arrester according to the requirements of insulation coordination
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Determine the absorption capacity of the arrester according to the calculation of operating overvoltage
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There are also mechanical properties, external insulation properties, short-circuit current resistance, etc.
