The STV100K-10S is a 240VAC Surge Protective Device with outlet strip suppressor. The SolaHD STV100K series surge protective device is a high-quality, high-energy surge current diversion system designed to protect sensitive equipment from damaging transient voltage surges resulting from load switching, lightning strikes and other sources. The installer should perform the following steps to ensure a quality installation. This surge or transient can get induced on virtually any copper wire within a facility, like power lines, but even often overlooked low voltage data lines.