SPP

Surge Protector Passthrough Ethernet 10/100/1000Mbps 15KA three stages Surge Protection

Surge Protector Passthrough is a lead-through surge arrester that can be inserted into a Power over Ethernet line in order to prevent any damage caused by overvoltage.

It simply connects the two ports without making any changes to what is applied, simply adding the protection of the arresters to the line.