10 Best Panel Surge Protectors 2026 in the United States

The Leviton 32277-DY3 panel surge protector is designed to protect three-phase electrical systems, making it suitable for both residential and commercial applications. With its high surge current capacity of 80Ka L-N, it provides robust protection against power surges.

It's versatile, being capable of working with both WYE and Delta AC systems, which adds to its flexibility for different setups. The NEMA Type 3R enclosure means it can be installed both indoors and outdoors, adding another layer of convenience.

Additionally, its reduced noise filtering feature ensures compatibility with home control systems, which is great for smart home enthusiasts. Despite the IP00 rating indicating no protection against dust and water, the Leviton 32277-DY3 is a solid choice for those needing a robust and flexible surge protection solution for three-phase systems.

The Leviton 32120-DY3 surge protector is designed for heavy-duty use, particularly in 3-phase electrical systems operating at 120/208V. It accommodates both Wye and Delta configurations and boasts a maximum surge current of 80 kiloamperes (kA) from line to neutral. This high current rating means it can handle significant surges, making it ideal for environments with frequent or severe power spikes. The product is also compatible with DHC and X10 home automation systems, adding to its versatility in smart home setups.

The device features copper contact material and screw terminals, ensuring reliable and secure connections. It is UL listed as a Type 2 device, which adds a layer of safety assurance. The surge protector's dimensions (6 x 6 x 12 inches) and weight (3.34 pounds) make it relatively compact for its category. Leviton offers a 5-year limited warranty, indicating confidence in the product's durability.

One drawback is the absence of multiple outlets, as it seems designed for panel integration rather than direct appliance connections. Also, the IP00 rating means it lacks significant protection against dust and water ingress, so it is best used in clean, dry environments. This surge protector is best suited for industrial or commercial settings that require robust surge protection for 3-phase electrical systems.

The EATON CHSPT2ULTRA Ultimate Surge Protection 3rd Edition is designed for a variety of environments like offices, restaurants, hotels, and apartments. It offers robust surge protection with a high joule rating, providing significant energy absorption to safeguard your electronics. One of its strong points is its universal compatibility, meaning it can be connected to any manufacturer's load center (breaker box), making it highly versatile and easy to install.

The device is lightweight, only 8 ounces, and compact, with dimensions of 2.38 x 5.25 x 7.5 inches, which makes it unobtrusive and space-efficient. If you're seeking a surge protector that is straightforward to integrate and doesn't require much space, the EATON CHSPT2ULTRA could be a good choice.