The FM Dat Net Cat6, 250 MHz (Art. 500502) is a compact combined surge arrester for Ethernet connections. It helps protect sensitive network equipment such as switches, hubs, servers and other RJ45 devices against dangerous surge and lightning current impulses.

✅ Lightning current capability up to 1 kA
✅ Supports frequencies up to 250 MHz
✅ Convenient RJ45 connections
✅ Easy DIN rail mounting
✅ Tested according to IEC/EN 61643-21 and UL 497B, 4th Edition

It is not a switch or signal booster – its purpose is to protect Ethernet infrastructure, acting as a compact invisible shield for data communication.