Most connected appliances can withstand a voltage of approximately 15 kV, which is the lowest level to which our surge protection devices (SPD) can dampen a spike. Installing surge protection devices can help you reduce or even avoid damage to your valuable possessions. This type of high-quality surge protection device is resistant to corrosion and fire. Plug-in design, hot-line operation support, simple and user-friendly. Surge protection mitigates the effects of excessive lighting on the home electric network.