Square D QO250PSPD QO Plug-on Neutral SPD Whole Home Surge Protection Device

A compact and affordable surge suppressor designed for installation into QO residential load centers

Part of Square D QO

This device reduces surges that might otherwise overwhelm plug strips and damage connected household equipment. It also provides surge suppression for important items that are not compatible with plug strips such as washers, dryers, refrigerators, stoves, and lighting.