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Doubt surge protector device

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cecil87

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a 220v voltage surge protector when its varistor reaches the end of its useful life or bursts, the surge protector presents a signal indicating the time to replace the varistor
614OqP6x4oL._AC_UF1000,1000_QL80_.jpg
 

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cecil87 said:
a 220v voltage surge protector when its varistor reaches the end of its useful life or bursts, the surge protector presents a signal indicating the time to replace the varistor
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Is it a finding or a question?
I won't expect this feature
1. There's no respective indicator
2. How should it work?
3. The device is apparently not designed for user access to internal parts
 

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Yes, check you can get into it...TMOV by littelfuse will do this , as you know.
 

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