Spd Damage Is Difficult To Detect
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The surge protector is installed in parallel in the electrical circuit. Once its internal trip device is triggered, the surge protector is disconnected from the electrical circuit. Although the damage of the surge protector will not affect the normal operation of the power system, the equipment will lose the protection of the SPD. Since the damage does not directly affect the operation of the system, it is difficult for users to find the damage of the SPD. If it is not replaced in time, the protected equipment may be damaged due to lack of protection when the next surge comes.
