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What are the main reasons for the continuous increase in the leakage current of varistor (MOV)?
What are the requirements for the installation of the connecting wires at both ends of the SPD?
What are the components of the intelligent lightning protection system? What are the advantageas?
Why do we need to conduct regular lightning protection inspections on buildings?
Why do need to install SPD after installing lightning rod? What is the core difference between SPD and lighting rod?

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What are the main reasons for the continuous increase in the leakage current of varistor (MOV)? Apr 16 , 2025
There are three main reasons why the leakage current of the MOV in the SPD continues to increase and thermal breakdown occurs during the normal working life: 1. The frequency and amplitude of surge overvoltage at the SPD installation site are large, causing the MOV's inherent ampere-second resources to be exhausted prematurely and enter the degradation failure stage. ...
- SPD device
- SPD protector device
- SPD lightning protection
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