
Eaton's surge protectors are designed to protect electronic devices from power surges, voltage spikes, and line noise. While they do not guarantee equipment functionality during a blackout, they can protect against surges caused by lightning strikes, utility switching, internal load switching, and more. Eaton offers a range of surge protection devices, from residential to industrial applications, that can be integrated into electrical distribution equipment or installed within electrical panels. These products can safeguard homes and electronics from power surges, but it's important to consider factors like let-through voltage and surge current capacity when selecting a suitable device.
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What You'll Learn

Eaton's range of surge protectors
Eaton's surge protection devices (SPD) are available for various applications, from whole-house protection to specific electronic devices. Their whole-house surge protection solutions are integrated into load centers, providing comprehensive protection by diverting excess voltage away from electronics and appliances. This protects valuable electronics, such as computers, home entertainment systems, and smart home appliances, from potential damage caused by lightning strikes, faulty wiring, and internal surges from everyday appliances.
Eaton's surge protectors are also available for specific devices, offering different levels of protection depending on the value and sensitivity of the equipment. These protectors are simple and relatively inexpensive, plugging directly into a wall outlet or having a long power cord with multiple AC power outlets. They are designed to protect any device with a standard AC plug from power surges, voltage spikes, and line noise.
When selecting a surge protector, it is important to consider the installation requirements, inspection, let-through voltage, and surge current capacity. Eaton offers factory-installed and tested surge suppressors, reducing installation costs and saving time and money for customers. Their surge protectors also improve performance by lowering let-through values and eliminating the need for additional wall space.
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How surge protectors work
Surge protectors, also known as transient voltage surge suppressors, are designed to protect electrical devices from power surges, voltage spikes, and line noise transferred through electrical outlets. Power surges are intense, short-duration voltage increases that can travel through electrical wiring or other cables transmitting power or data. While most people associate power surges with external sources like lightning strikes or downed power lines, 80% of surges actually occur indoors due to electrical switching or disturbances created by various devices.
Surge protectors work by passing electricity from the outlet to the connected devices. When a voltage surge occurs, the protector redirects the excess electricity to the grounding wire of the outlet, preventing it from flowing through the typical wires that could cause damage. This grounding wire provides a safe pathway for the excess electricity, protecting the connected equipment.
To function effectively, surge protectors must be connected to a properly wired and grounded AC outlet. They contain internal components called metal oxide varistors (MOVs) that detect voltage levels and absorb excess voltage, diverting it to the ground wire. This prevents the excess voltage from reaching and potentially damaging sensitive electronic devices.
It is important to note that surge protectors are different from power strips. Power strips allow multiple devices to be plugged in but do not offer protection against voltage surges and spikes. Surge protectors, on the other hand, are specifically designed to safeguard devices from these electrical anomalies. They are labelled as surge protective devices and the manufacturer's documentation will identify them as such, providing specifications for the level of protection offered.
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How to choose the right surge protector
Surge protectors are an essential component of any modern home or office, shielding your electronics from power surges and voltage spikes. Eaton offers a range of surge protection devices and suppressors for residential and industrial applications.
Location and Installation
Firstly, consider the location where you will be using the surge protector. Will it be in a home office, entertainment centre, or a commercial setting? This will help determine the size and capacity of the surge protector you need. For instance, if you plan to use it outdoors, opt for a protector designed for weather resistance or use a waterproof connection box.
The installation requirements are crucial. Whole-home surge protectors, for instance, need to be hard-wired into your electrical panel by a qualified electrician.
Number of Outlets and Spacing
Make sure the surge protector has enough outlets to accommodate all your devices. Consider the spacing between the outlets, especially if you have bulky power adapters. While not a necessity, it is beneficial to have a few extra outlets for future expansion.
Joule Rating
A higher joule rating indicates greater protection. Look for a rating of at least 600 joules or higher for adequate protection of most electronic devices. If you have high-end equipment or live in an area with frequent power surges, opt for an even higher rating.
Clamping Voltage
Clamping voltage represents the point at which the protector starts diverting excess voltage. A lower clamping voltage means better protection, so look for a rating of 400 volts or less.
Additional Features
Surge protectors with USB ports, indicator lights, and coaxial and Ethernet protection can enhance the device's usefulness and provide peace of mind.
Safety Standards and Warranty
Look for safety standards such as the UL 1449 marking on the packaging to ensure the product's quality and regulatory compliance. Additionally, consider the warranty offered—a longer warranty period reflects the manufacturer's confidence in the product's durability.
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Installation and inspection
Eaton's range of surge protectors can safeguard your home and electronics from power surges. These power surges can be caused by lightning strikes, electrical grid malfunctions, or accidents, and can damage sensitive electronics and appliances.
Eaton's surge protection solutions are compliant with the 2023 NEC standards. When it comes to installation, it is important to consider the let-through voltage and surge current capacity. The let-through voltage is the amount of voltage that passes through to the load and is not suppressed by the surge protector. It is a performance measurement of the suppressor's ability to attenuate a defined surge. The IEEE C62.41 has specified test waveforms for service entrance and branch locations, and manufacturers should provide let-through voltage tests. The surge current capacity, on the other hand, depends on the specific application and the required level of protection.
The Short Current Circuit Rating (SCCR) is the highest symmetrical fault current that equipment can safely withstand, and it is important to consider this when installing surge protection devices. The peak surge current is the maximum current a device can mitigate without suffering irreversible damage, and it is related to the surge protector's life expectancy.
For higher levels of surge protection, devices should be sized for larger kA ratings. The kA rating is determined by the number of MOVs in the SPD, and increasing the number of MOVs increases the potential paths to ground.
Eaton's surge protectors are designed to be easy to install, with clear instructions provided. They can be purchased from various retailers, including Amazon and Home Depot, and some offer installation services. It is important to refer to the manufacturer's documentation for specific installation and inspection instructions, as well as to ensure proper grounding of the device.
It is recommended to have a certified electrician inspect the installation to ensure it meets the necessary standards and requirements. Regular inspections and maintenance can help ensure the continued effectiveness of the surge protector and the safety of your electrical systems.
Eaton also offers a Certified Contractor Network, which can help increase sales, maximize profits, and boost customer satisfaction.
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Whole-home protection
Eaton offers a range of surge protection devices for residential and industrial applications. These products can protect sensitive electronics from the damaging effects of power surges caused by lightning, utility grid switching, and other sources.
While most people associate power surges with external sources like lightning or downed power lines, 80% of surges actually occur inside a facility or home. These internal surges can be caused by electrical switching, the on/off cycling of large appliances, or other disturbances created by various devices within the building.
Eaton's whole-home surge protection solutions can safeguard your entire home and electronics from these power surges. These solutions are compliant with the 2023 NEC standards and can be integrated into the electrical distribution equipment. This eliminates the need for external mounting, saving wall space and improving performance through lower let-through values.
The installation requirements and inspection are critical factors to consider when selecting a surge protective device. It is also important to understand the let-through voltage and surge current capacity of the device. The let-through voltage is the amount of voltage that passes through to the load, and it is a performance measurement of the surge suppressor's ability to attenuate a surge. Surge current capacity, on the other hand, depends on the specific application and the protection required.
Eaton's CHSPT2ULTRA Ultimate Surge Protection is a highly recommended whole-house surge protector. It has been praised for its effectiveness in protecting homes and devices from lightning strikes and power surges. It is also easy to install, with clear instructions and YouTube videos available for reference.
By investing in Eaton's whole-home surge protection solutions, you can have peace of mind knowing that your valuable electronics and appliances are safeguarded from potentially damaging power surges.
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Frequently asked questions
A surge protector is a device that protects electronic devices from power surges, voltage spikes, and line noise transferred through an electrical outlet. It is designed to prevent damage to devices with a standard AC plug.
Surge protectors are important if you have expensive appliances and sensitive electronics in your home or business. They are also useful if you live in an area prone to lightning strikes or power outages, as these can cause power surges.
The level of protection you need depends on the value of your equipment. The higher the value, the higher the surge protector joule rating required. For example, a unit with up to 1,000 joules of protection is adequate for small electronics, while a rating of 2,000 or higher is recommended for home theater components and computers that store important data.
The installation requirements and inspection are crucial factors to consider when selecting a surge protective device. Eaton offers factory-installed and tested surge suppressors that can be retrofitted into an existing FD frame breaker slot, saving time and money.











































