Networking system is getting more useful and handier in this informative era. A slightest disruption on the system will cause huge losses toward the owner of the system. However, issues like sudden shut down due to the electronic device damage because of lightning surge in Malaysia still happened frequently. Besides that, cost of replacing the damage parts is high. PROMOV offer TD9 Series signal level SPD to protect the electronic device against lightning surges. The TD9 series networking SPD comes with different interface such as Cat6, Cat6e and POE. Besides that, PROMOV TD9 series networking SPD had high cut-off frequency and low impedance to ensure smooth transmission data. Moreover, it has the capability of withstanding 10kA (8/20us) & 1kA (10/350us) surge rating. The design of the SPD is universal and it can be mount in any enclosure with 35mm DIN rail.