FAQ0084 ZNR Surge Absorber: Does the ZNR surge absorber provide protection against a lightning surge only once as a fuse does? Or can it be used repeatedly as protection against lightning surges?

Answer

The ZNR surge absorber can be used repeatedly. The performance of the ZNR surge absorber against repetitive electric surges is specified in an impulse-applied lifetime characteristics chart on the ZNR series products datasheet. The impulse-applied lifetime characteristics chart specifies the duration of wave tail of a surge current, the peak value of a surge current, and an allowable number of times of surge application.

Product Information

Circuit Protection (ESD, Surge, Fuse etc.)

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