- 11 Surge Protector
- Surge protector
Guard your fax machines, phone system, and modems. Black Box Telco RJ-11 Surge Protector provides overcurrent and overvoltage protection. It offers protection against ground spikes, electrostatic discharge, AC power interference, or nearby lightning-induced energy in outdoor cable or long cable runs. It also features low shunt capacitance to reduce signal loss.