8 Best Square D Surge Protectors 2025 in the United States

The Square D by Schneider Electric HOM2175SB Homeline SurgeBreaker is a surge protection device designed to offer extensive protection throughout your home. One of its strong points is the equal protection it offers to all circuits and receptacles, ensuring that all areas of your home are safeguarded against surges. The device also includes a handy LED indicator, so you can easily check its status at a glance.

Installation is reasonably straightforward with its plug-on design, though it does require 2 spaces in your load center. It can be used in various locations, including service entrance locations, CSEDs (Combination Service Entrance Devices), and Homeline load centers, making it quite versatile. The product is built to last with its plastic and metal materials, and its compact dimensions (2.58 inches long, 2 inches wide, and 3.13 inches high) make it easy to integrate into your existing setup.

With a joules rating of 25kA and an AC adapter current of 10 kiloamps, it provides robust protection. It also meets safety standards, being UL 1449 3rd Edition Listed. This surge protector is a reliable choice for home use, offering good protection and easy installation.

The Schneider Electric Square D HEPD Whole Home Electronics Protective Device is designed to safeguard your entire home's electrical system against surges. This model offers an impressive 80kA current rating, meaning it can handle substantial power surges. Its compact size allows for easy installation in any residential load center, providing an all-encompassing shield for your electronics and appliances, from computers and TVs to kitchen devices and HVAC systems.

One of its standout features is its ability to protect every connected device in your home, which is advantageous over individual power strip protectors that only cover a limited number of items. The device also comes with a 5-year product warranty, enhancing its reliability and giving users peace of mind. Additionally, the LED status indicator is a practical feature, letting you know instantly if the device needs replacement.

However, there are a few considerations to bear in mind. The product requires professional installation into the home’s load center, which might be daunting for some users not familiar with electrical systems. Also, while it offers comprehensive protection, the initial setup cost might be higher compared to standard surge protectors. This surge protector is ideal for homeowners seeking extensive and reliable protection for their entire home’s electrical devices, especially in areas prone to frequent power surges.

The Square D - QO250PSPD QO Whole House Surge Protection Device is designed to protect your entire home from electrical surges. It has a high joules rating of 50,000 amps per phase, which indicates robust protection against even significant surges. The device operates at 120/240V and is tailored for single-phase power systems.

One of the key highlights is its plug-on neutral feature, which means no messy wiring is required, simplifying installation for users who may not be tech-savvy or handy with electrical components. Additionally, the LED status indicator helps you easily monitor the device's operation, ensuring you know when it's actively protecting your home.

A critical limitation is that it only fits into a QO PON (Plug on Neutral) load center, which means it's not universally compatible with all electrical panels. This might restrict its usage for some homeowners unless they already have or plan to upgrade to a compatible load center. This surge protector is best suited for users with a QO PON load center looking for an easy-to-install, whole-house surge protection solution with a clear status indicator.