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What SPD Response Time?

The response time of an SPD refers to the time it takes for the device to react and divert excessive voltage or current caused by a surge or transient event. The response time is typically measured in nanoseconds or microseconds and varies depending on the design and technology used in the SPD. It is recommended to refer to the manufacturer's specifications for accurate information on a specific SPD's response time.

See attached white paper

Response Time Page 1