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10 Best Panel Surge Protectors 2025 in the United States

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Our Top Picks

#1

Winner

Belkin 12-Outlet Surge Protector Power Strip w/ 12 AC Outlets & 8ft Flat Plug, UL-listed Heavy-Duty Extension Cord for Home, Office, Travel, Computer, Laptop, Charger - 3,940 Joules of Protection

Rating
10.0
Chosen by1,484
Joule Rating
Number of Outlets

Most important from
55306 reviews

Joule Rating
With a whopping 3,940 Joules of surge protection, it's like having a shield for your precious electronics.
Number of Outlets
The 12 AC outlets are well-spaced, making it easy to plug in bulky chargers and adapters without blocking other outlets.

The Belkin 12-Outlet Surge Protector Power Strip provides robust protection for your electronic devices with a high joule rating of 3,940, which is excellent for safeguarding against power surges and spikes. Its 12 AC outlets make it convenient for powering multiple devices simultaneously, making it an ideal choice for home offices, workstations, and other setups with numerous electronics.

The heavy-duty 8-ft extension cord, combined with a compact design, allows for flexible placement, even in tight spaces, thanks to the 3-prong angled flat plug. The widely spaced outlets are useful for accommodating bulky plugs and chargers without blocking other outlets, which adds to its practicality. The UL certification ensures that it meets important safety standards, providing peace of mind that the product is both reliable and safe to use.

The added safety light indicator is a user-friendly feature that confirms the protection status of your devices. The product offers a 2-year limited warranty and an impressive $300,000 Connected Equipment Warranty, although it might be seen as a bit short compared to some other products that come with a lifetime warranty. Despite these minor drawbacks, the product's high joule rating, extensive safety testing, and ample outlet capacity make it a strong contender for those needing reliable surge protection for multiple devices.

Rating
10.0
Chosen by1,484
Joule Rating
Number of Outlets

Most important from
55306 reviews

Joule Rating
With a whopping 3,940 Joules of surge protection, it's like having a shield for your precious electronics.
Number of Outlets
The 12 AC outlets are well-spaced, making it easy to plug in bulky chargers and adapters without blocking other outlets.
#2

Leviton 32120-DY3 120/208 Volt 3-Phase Wye Or Delta, Surge Panel, DHC and X10 Compatible, 80Ka L-N Max Surge Current, Image

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.

#3

Tripp Lite ISOBAR8ULTRA Isobar 8 Outlet Heavy Duty Power Strip Surge Protector, 3840 Joules, 12ft Cord, Flat Plug, Metal Power Strip, Industrial Garage Work Shop Bench, Under Desk and Wall Mountable

Rating
9.4
Joule Rating
Number of Outlets
Warranty

Most important from
4921 reviews

Joule Rating
Includes a substantial joule rating that absorbs significant power spikes, enhancing device safety.
Number of Outlets
Offers wide outlet spacing that accommodates larger plugs comfortably without crowding.
Warranty
Backed by a lifetime warranty and connected equipment insurance, underscoring confidence in its performance.

The Tripp Lite ISOBAR8ULTRA is a solid choice for reliable surge protection for multiple devices, especially sensitive electronics like audio/video equipment or network gear. Its standout feature is a high 3840-joule rating, meaning it can absorb significant power spikes, helping protect your devices better during electrical surges. It offers 8 outlets, spaced widely enough to fit larger plugs without crowding. The protector meets rigorous UL 1449 3rd Edition safety standards, providing reassurance about its quality and safe operation.

The built-in noise filtering reduces interference, which is beneficial for sound or video systems. It has a durable metal case, ensuring it is built to last, and the 12-foot cord with a right-angle plug makes positioning it near walls or behind furniture easier. Additionally, it carries a lifetime limited warranty and a $50,000 connected equipment insurance policy, demonstrating the manufacturer's confidence in its performance. The unit is a bit heavier and larger than typical plastic power strips, which might be less convenient for some setups.

If you want a durable, feature-rich surge protector with excellent protection and peace of mind, the ISOBAR8ULTRA is a reliable pick.

Rating
9.4
Joule Rating
Number of Outlets
Warranty

Most important from
4921 reviews

Joule Rating
Includes a substantial joule rating that absorbs significant power spikes, enhancing device safety.
Number of Outlets
Offers wide outlet spacing that accommodates larger plugs comfortably without crowding.
Warranty
Backed by a lifetime warranty and connected equipment insurance, underscoring confidence in its performance.

Buying Guide for the Best Panel Surge Protectors

When it comes to protecting your electronic devices from power surges, panel surge protectors are an essential investment. These devices are designed to safeguard your entire electrical system by diverting excess voltage away from your appliances and electronics. Choosing the right panel surge protector involves understanding various specifications and how they align with your needs. Here’s a guide to help you make an informed decision.
Joule RatingThe joule rating indicates the amount of energy the surge protector can absorb before it fails. This is important because a higher joule rating means better protection for your devices. Typically, a joule rating under 1000 is suitable for small electronics, 1000-2000 joules is good for office equipment and home theaters, and over 2000 joules is ideal for high-end electronics and appliances. Choose a joule rating based on the value and sensitivity of the devices you want to protect.
Clamping VoltageClamping voltage is the voltage level at which the surge protector starts to redirect excess electricity away from your devices. Lower clamping voltage means better protection. Common clamping voltages are 330V, 400V, and 500V. For sensitive electronics, a clamping voltage of 330V is recommended, while 400V or 500V can be sufficient for less sensitive equipment. Consider the sensitivity of your devices when selecting the clamping voltage.
Response TimeResponse time refers to how quickly the surge protector reacts to a power surge. Faster response times offer better protection. Most surge protectors have a response time of less than one nanosecond. For critical and sensitive electronics, look for a surge protector with a response time of less than one nanosecond to ensure immediate protection.
Number of OutletsThe number of outlets determines how many devices you can connect to the surge protector. This is important for ensuring all your devices are protected. Surge protectors can have anywhere from a few outlets to over a dozen. Assess the number of devices you need to protect and choose a surge protector with enough outlets to accommodate them, keeping in mind any future additions.
UL CertificationUL certification indicates that the surge protector has been tested and meets safety standards set by Underwriters Laboratories. This is crucial for ensuring the reliability and safety of the surge protector. Always look for a surge protector with UL certification to ensure it provides effective protection and complies with safety standards.
WarrantyThe warranty offered by the manufacturer can give you an idea of the surge protector's reliability and the company's confidence in their product. Warranties can range from a few years to a lifetime. Consider a surge protector with a longer warranty period, as it often indicates better quality and provides peace of mind in case of any issues.

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