How to Choose the Right Surge Protectors

We all know that electronics can become damaged from power surges at any moment. Whether it’s from a lightning strike or a heavy appliance turning on, the momentary spikes in voltage can destroy your devices within seconds. However, with the right surge protector, you can protect your devices from these unexpected voltage threats.

Don’t worry, this blog will help you understand everything you need to make the right choice and keep your gadgets safe from damage. Just keep reading!

Table of Contents

• 1) Understanding Power Surges
• 2) What Is a Surge Protector?
• 3) Key Features to Consider
• 4) Types of Surge Protectors
• 5) Selecting the Right Surge Protector
• 6) Certification and Compliance
• 7) Common Mistakes to Avoid
• 8) Maintenance and Replacement
• 9) Conclusion

1) Understanding Power Surges

“The power surge is  defined as a sudden and brief increase in voltage that exceeds the normal range within an electrical circuit.”

In other words, we can say that power surges refer to the ‘sudden spike’ of voltage that passes through the electrical system. Even if this spike lasts for a fraction of a second, it can severely damage electronic devices. Most homes and workplaces operate on a standard value of 120V or 230V. And, a surge occurs when there is a brief increase above this value.

The surge in power supply can be caused due to multiple reasons, one of which is lightning. In case you did not know, lightning strikes can send a large surge of energy through power lines, which can travel down your outlets and may damage devices that are connected.

It isn't just lightning storms that cause surges. Apart from this, Power-hungry appliances, such as refrigerators, air conditioners, and industrial machinery, also cause surges when they are turned on or off.

Other causes of surges include faulty power lines, electricity flow from an electricity supplier, and even damaged wiring. In addition, Small internal surges are also created while operating hairdryers and microwaves. Smaller surges do not cause immediate damage, but constant exposure will permanently reduce their lifespan. And this is why investing in surge protectors is a good idea.

2) What Is a Surge Protector?

“A surge protector is an electronic device that protects your appliances from sudden voltage changes.”

You know, those surges can occur at any time and will destroy your appliances. Therefore, Surge protectors are used to protect this by blocking or diverting excess electricity.  

To be simple, Surge protectors work quite similarly to gatekeepers. Surge protectors let electricity flow through normally, but if any surges go over a certain limit, they prevent damage to the appliances.

Purpose of Surge Protector

Well, surge protectors are designed to absorb the extra voltage provided to the device for powering it to the devices. Surge protectors, in simple terms, act as a shield to help protect the hardware to keep your important devices safe.

Technically, all surge protectors are power strip-type devices, but not all power strips are surge protectors. While a simple power strip provides multiple sockets, a surge protector defends against voltage spikes. Moreover, there is also an important part called MOV (Metal Oxide Varistor) within a surge protector. The MOV will absorb excess surges, hence protecting your devices.

Surge protectors are required for many devices, including TVs, computers, phones, routers, and even kitchen appliances. Some models may only protect one item, while others cover a greater number of outlets at the same time.

For more advanced setups, like large office buildings and homes, there are also surge protectors available. These spend their protective services on all connected circuits by being installed at the main power panel.

3) Key Features to Consider

To get the maximum benefit of surge protection, a list of features should be considered. These will assist you in determining how well your devices will be protected.

• Joule Rating

This indicates the level of energy the surge protector will be able to absorb before breaking down. Well, higher ratings suggest greater and longer life while ensuring better protection. A range between 600 to 2000 joules is good for home use, but if your appliances are expensive or sensitive, then you should get a higher range protector.

• Clamping Voltage

This refers to the voltage level at which the surge protector begins to work. Better protection is offered at a lower clamping voltage. You should try to find models that have clamping voltages around or lower than 400V.

• Response Timeable  

This is how quickly a surge protector can react to a surge. You know, the faster is better. A good surge protector has a response time of under a nanosecond. If a response is slow, damage could occur before the protection kicks in.  

• Number and Type of Outlets  

First of all, you should check the number of devices you need to connect. Some USB surge protectors that are equipped with a USB port for phones and tablets offer additional USB ports. So, you should choose a model with enough outlets to avoid using multiple strips.  

• Indicator Lights  

These lights reveal the state of the surge protector because they help you see whether or not the device is functioning properly or ready to be replaced. Remember, always check that there is a clear “protected” or ‘‘grounded’’ indicator.  

• EMI/RFI Noise Filtering  

This feature helps reduce electromagnetic or radio noise coming from influences outside of your devices, especially audio or video equipment. As a result, it helps in the excellent performance of the surge protector.  

• Build Quality and Safety Certifications  

You should carefully ensure the product is made of quality materials that can withstand stress. You have to check for UL ( Underwriters Laboratories) or CE certifications to help ensure that it meets safety standards.

4) Types of Surge Protectors

Based on the equipment, surge protectors have various types. You can choose from a simple basic electronics surge protector to an entire home surge protector. Let’s discuss the most common of them one by one.

i) Basic Power Strip Surge Protectors

It is used for small appliances like laptops, phone chargers, and televisions. Additionally, the  Basic Power Strips are basically surge protection dongles ( a small USB 'internet stick'). It can be easily plugged into a wall socket with multiple devices connected with minimal effort.

It is quite cheap, and that’s not all, they can be found nearly everywhere. However, they offer limited protection, so they’re not the best for sensitive or high-value equipment.

ii) Wall-Mounted Surge Protectors

They are wall-mounted, which means no need to have extra space, which is super convenient. In addition, they also come with USB slots and multiple plugs.

Well, they are perfect for travel and bedrooms, because of their compact nature, so they allow them to be taken anywhere. However, like every other gadget, they have their limitations as well, but because of their versatility, it makes they are good.

iii) Heavy-Duty Surge Protectors

These are of a higher grade than the basic ones and made for high-power equipment. Moreover, these can handle power tools and even industrial machines, so they are located in workshops, construction sites, and industries. In addition, they are built to withstand wear and tear and often come with additional safety features.  

iv) Whole-House Surge Protectors

These protect your whole house from power surges caused by lightning or other reasons. You have to install it at your main electrical panel, which stops damaging voltage from being passed to the appliances in your house.

Note that these require professional installation, but once installed, they offer complete protection to the home. They are useful in households with many expensive devices and in areas with frequent lightning.  

v) UPS Systems with Surge Protection

A good example of a surge protective device is a UPS (Uninterruptible Power Supply). This is because it performs two key functions. First, it shields your devices from abrupt electric surges. Second, it provides additional power during an outage, which ensures your devices will not immediately turn off.

This is especially useful for devices such as computers, smart Wi-Fi routers, and even medical equipment. In the event of a power outage, a UPS saves ongoing work or allows for the proper shutdown of devices. Moreover, a UPS enables the smooth running of operations, avoiding potential hazards such as damage or data loss.

5) Selecting the Right Surge Protector for Your Needs

You should always keep in mind that surge protectors should always be matched with the specifications of the devices you want to protect. This section guides you to the right selection of the protector, so go ahead!

a) Know Your Setup

Figure out where you want to install the surge protector. Is it your home office? Living room? Garage, right? Well, if you have simple setups that include lamps, phones, or chargers, a basic model would be enough. However, if you plan on protecting a sound system, gaming console, or desktop computer, a stronger model is necessary.

b) Understand Your Power Needs

You know, Different devices have different power requirements. However, A fridge and microwave use significantly more energy in comparison to a television or laptop.

If you are plugging in multiple devices or large appliances to a single outlet, ensure that the surge protector is capable of supporting a heavy load without breaking. Well, several models are designed for heavy-duty use.

c) Selecting a Protector by Device Type  

You should select a surge protector according to the level of sensitivity that your electronics have. Smart TVs and routers benefit from surge protectors that respond promptly and provide consistent protection. Simple devices like lamps or toasters do not require advanced levels of protection.  

d) Plan for Growth

A single device can often lead to a shortage of electricity outlets. Hence, you should think of devices that give you a surplus of outlets than what you currently have. This way, you are ready for advanced gadgets in the future. Many protectors also include USB ports, which are easily available for phones, tablets, and smartwatches.

e) Prioritise Reliability

Always remember! You should go for a surge protector from a trusted brand. The models of  Delixi’s DZ47VY and DZ47YZ are the best surge protectors for everyday use and even industrial use. They're built to last and tested for safety, so the customer knows our devices are in good hands.

6) Certification and Compliance

It is extremely important to check a surge protector’s certification before purchase. These certifications assure that the surge protector has passed safety measures and will protect your devices.  

a) Compliance with Safety Standards: All testable products, such as protectors, must comply with international standards. Having a mark such as UL (Underwriters Laboratories) or CE (European Conformity) shows that they have been tested carefully and passed the test.

b) Joule Ratings and Testing: The joule rating of a surge protector expresses how much energy it is able to absorb before becoming out of date. Certifiable products make sure that joule ratings are provided to ensure protection over time to the devices.,

c) Environmentally Friendly: An eco-consumer is assured by the claims made regarding the design’s polices that the product complies with regulations made to reduce negative impact.

d)  Reliability of Manufacturer: Surge protectors from brands that are widely known and accepted, such as Delixi, should become the target, as we claim that our products provide safety and compliance expectations.

7) Common Mistakes to Avoid

When buying a surge protector, try to avoid common mistakes for the safety and performance of your devices. Here are the main points to remember regarding mistake avoidance.  

• Oversizing or Undersizing: Either overestimating or underestimating the rating of a surge protector can result in ineffective protection or damage to the device.  

• Ignoring the Joule Rating: The joule rating of a protector is critical in determining if a device will persist for a long duration of time. So, you should not ignore these details.  

• Neglecting the Response Time: The higher the response time, the greater the chances of your device being permanently damaged by surges that will be allowed to pass through. Always try checking how fast a response time is for a multitude of actions.  

• Not Considering Number of Outlets: You should make sure to buy a surge protector with sufficient outlets to meet the needs of all your devices, as well as some extra for future intentions.  

• Using Without Grounding: Always ensure your surge protector is grounded because, without it, the device cannot provide helpful functionality.  

8) Maintenance and Replacement

Surge protectors need to be maintained properly in order to be effective. Here are a few suggestions to follow when dealing with surge protector maintenance.

i) Regular Inspections: You need to visually inspect the surge protector on a frequent basis to check for discolouration or signs of wear and tear. Ensure you replace it as soon as the first sign of damage appears.

ii) Monitor the Joule Rating: Energy is absorbed from power surges, which increase the joule rating. When the rating is exhausted, it means it has literally no ability to protect your gadgets.

iii) Replace After a Significant Surge: Your surge protector needs to be changed immediately when subjected to a lightning strike or large power surges. Your device may look fine, but it is likely that the internal systems are damaged, leading to the worst condition.

iv) Check for Indicator Lights: Circuit breakers are equipped with indicator lights that show if they are working or not, and so do many surge protectors. If the light is turned off, then the surge protector is most likely damaged.

v) Follow Manufacturer's Recommendations: You should always remember to follow the recommended guidelines for changing surge protectors provided by the manufacturer.

vi) Avoid Overloading: Do not connect too many appliances to the surge protector. This, too, will deplete protective features and reduce the usable life of the device.

vii) Use Quality Surge Protectors: Quality surge protectors are more expensive, but they provide better protection and last longer. So, Certified models should replace outdated or inexpensive surge protectors.  

9) Conclusion

Alright! So, keeping your devices protected from power surges ensures they remain in working order. The right surge protector will keep your device safe, whether it is for home use, work, or even large machinery.

Delixi's surge protectors, the DZ47VY and DZ47YZ, offer reliable protection and meet safety requirements. If you purchase the best quality surge protectors, it will go a long way by reducing repair costs later on. So why wait for trouble to strike? Protect your devices now! You can contact us right now by clicking here.