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What does the Suppression Voltage rating mean?

April 26, 2017mean rating suppression voltage

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What does the Suppression Voltage rating mean?

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A surge protection device that is listed under UL 1449 is given a voltage let through rating by UL. This represents the highest transient voltage that the suppressor allowed to pass into the protected load under test conditions. It may be used as a measure to compare one suppressor to another. We suggest a maximum let through voltage of 500 volts.