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what is a surge suppressor vs surge protector

by Jan Bayer Sr. Published 3 years ago Updated 3 years ago

A surge suppressor (sometimes optimistically called a "surge protector") is a device inserted in the alternating current ( AC ) utility line and/or telephone line to prevent damage to electronic equipment from voltage "spikes" called transients.

Full Answer

Is surge protection worth it?

Surge protection control costly electronic items and equipment from being damaged. This will amplify the demand for surge protection devices globally. Increase in the demand for high technological electrical equipment, with rise in disposable incomes ...

Is it a power strip or a surge protector?

Power strips and surge protectors, also called surge suppressors, are different. Typically, power strips are cheap, multi-outlet products that are merely an expansion of a wall outlet.

Are surge protectors a fire hazard?

While these products are designed for surge protection, they can also be an extreme fire hazard when not in use. That’s because surge protectors consume energy even when the devices they’re protecting are turned off. You should turn off surge protector when not in use because it could be causing a fire hazard.

Do surge protectors work against lightning strikes?

While they can be ineffective against direct lightning strikes, a quality surge protector will stop most strong power surges and prevent them from damaging the gear that’s plugged into them.

Are surge protectors and surge suppressors the same thing?

When buying a surge protector, always take the following into consideration: Surge suppressors differ from surge protectors in that surge protectors are basically just extension cords with minimal built-in protection (fuses, etc.).

Are surge suppressors better than surge protectors?

What is the difference between a surge protector and surge suppressor? Surge protector avoids voltage spikes in electrical devices while Surge suppressor regulates the voltage making power constant if a splurge occurs. You may be keen to learn about the purposes or functions both the devices perform.

Are surge suppressors necessary?

Without a surge protector, a power spike or power surge could shorten the life of your computer, wipe out all of your data, or even completely destroy your system. In fact, you should use a surge protector with any high-end electronic device.

What does a surge suppressor protect against?

A surge protector guards against the damage that sudden power surges can cause. It works by pulling the current from one outlet and passing it through to the devices you have plugged into the surge protector.

Does Smart TV need surge protector?

The most important products to plug into a surge protector are expensive electronic devices with microprocessors. Desktop computers, laptops, televisions, gaming systems, and charging phones should all be plugged into a surge protector, so they aren't damaged in a storm.

Should a TV be plugged into a surge protector?

Do you have your PC, television, or other expensive electronics plugged directly into a power outlet? You shouldn't. You should plug your gadgets into a surge protector, which isn't necessarily the same thing as a power strip.

Do major appliances need surge protectors?

But bigger or more important items, as well as appliances that require constant power, such as computers, printers, televisions, and refrigerators, should all use surge protectors. Any device that you don't want to lose in the event of a power surge, or that would be expensive to replace, should be protected.

How does a surge suppressor work?

A typical surge protector passes the electrical current along the outlet to number of the devices plugged into the power strip. If the voltage happens to rise above the acceptable level, the protector will divert the extra electricity into the outlets grounding wire.

Are whole house surge protectors worth the money?

Most power strip surge protectors only offer low-level surge protection, meaning they can help during frequent small surges but aren't effective during a high-surge situation. Whole house surge protectors, on the other hand, effectively reduce both kinds of surges.

Will a surge protector stop lightning?

Do surge protectors work against lightning? Surge protection does offer enhanced protection when lighting strikes. However, surge protectors alone cannot 100% protect your devices. The only way to ensure 100% protection is to unplug everything.

What kind of surge protector do I need for my computer?

If you're trying to protect things like cell phones, basic laptops, printers, routers, and copiers, you'll want a surge protector with a rating between 1,000 and 2,000 joules. This rating is also large enough for your power tools and other building appliances.

Will surge protector stop breakers from tripping?

Many modern appliances are sensitive to sudden surges of electricity that, themselves, may not be enough to blow a fuse or trip a circuit breaker. Surge protectors essentially act as a buffer, dolling out the current at a constant rate regardless of how it is coming in.

Are some surge protectors better than others?

A higher joule rating is the best indicator of greater protection. Choose a surge protector with a joule rating at the very least in the 200 to 400 range. Sensitive or costly equipment, such as computers, displays and audio/video equipment, warrants a joule rating of at least 1000.

Do surge protectors prevent blowing fuses?

A surge protector is designed to smooth out smaller fluctuations in voltage and it doesn't normally shut down the circuit when a problem occurs. You need both fuses and surge protectors for good protection from electrical problems.

Will surge protector stop breakers from tripping?

Many modern appliances are sensitive to sudden surges of electricity that, themselves, may not be enough to blow a fuse or trip a circuit breaker. Surge protectors essentially act as a buffer, dolling out the current at a constant rate regardless of how it is coming in.

Do surge protectors protect against power outages?

Use Surge Protectors It's strongly recommended that expensive electronics be unplugged during an outage to protect them from power surges when electricity is restored, but for when you can't unplug, surge protectors will help prevent damage to electronics like computers and televisions.

What is the difference between a surge protector and a surge suppressor?

A: the difference between. a surge protector and. a surge suppressor. is that. a surge suppressor is only reducing voltage of surge , e.g. a capacitor, while. a surge protector is reducing voltage and energy of surge, e.g. a varistor (MOV) or a diode; look at definition below.

Why do we need surge protectors?

The basic use of surge protectors is to prevent damage to electronic equipment by voltage spikes or “transients”. A surge protector regulates voltage and prevents it from reaching a certain threshold. Electrical surges or spikes are short duration but higher voltage than can be managed by attached equipment.

What is a suppressor?

A suppressor regulates the voltage and makes the power constant in a case of a spike or surge . A protector simply detects the surge and turns the unit off. Suppressor is good for things like computers you don't want to keep turning on and off . Like computers in a dmv or office.

Can a power strip be a surge protector?

If you have a power strip without a little light labeled “surge” then the strip either does not have surge protection or the protections is so cheap that they left the indicator out. Without that light, you can never be sure the surge protection is still functioning. If a surge protector is hit with a.

Can you use a surge protector in a whole house?

For household use the best thing that you can do is to use a ‘Whole House’ surge protector. These connect in the breaker panel through a breaker of it’s own in case it shorts out. The bigger the current rating the better. Peak surge currents can be thousands of Amps but for very short durations.

Can you have a surge protector without a light?

If a surge protector is hit with a voltage spike large enough, it will destroy to surge protector, but leave the power strip operational. So no light, assume no surge protection.

Do all electronics have surge protection?

Almost all electronics have surge protection built into it . When you buy a power strip with a surge protector, you are adding additional surge protection. Surge protection cost pennies to add. What cost more is the circuit that checks the surge protection to see if it is still working.

How to tell the difference between surge protectors?

How to Tell the Difference on the Packaging. When shopping for a surge protector at a store, be sure to look for the words “surge protector” or at least “protection” or “suppression.”. You’ll often see power strips and surge protectors near each other in the store, and they can look similar at a glance. The power strips will be cheaper, but read ...

What is the difference between a power strip and a surge protector?

What’s the Difference Between a Power Strip and a Surge Protector? Surge protectors often look just like power strips, but not all power strips are surge protectors. Only surge protections actually help protect your gadgets against power surges.

How many joules should a surge protector be?

When you’re looking at ratings, a surge protector rated at 1000-2000 Joules is typically good enough for smaller electronics—networking gear, smartphones, printers, and so on. If you’re protecting home theater gear, gaming consoles, or desktop and laptop computers, look for something over 2000 Joules. And if you’re protecting multiple large ...

What does it mean when a surge protector is old?

If the surge protector is very old, there’ s a chance that it no longer functions as a surge protector and needs to be replaced.

What is a power strip?

A power strip plugs into a wall outlet and offers outlets for multiple devices. But that’s all a simple power strip does. It’s essentially an extension cord with multiple outlets and no fancy features, although it might have a switch to quickly cut power to all connected devices. Connecting a device to a power strip is just like connecting it ...

Can you plug a surge protector into a single outlet?

Advertisement. While surge protectors often come in power strip shape, they don’t always. For example, you can get a single-outlet surge protector that allows you to plug a single device into a single wall outlet, but with surge protection. The power strip design is just more common.

Do surge protectors work with outlets?

Like power strips, most surge protectors plug into a wall outlet and offer outlets for multiple devices. But, surge protectors also have electronics built in that help prevent power surges from damaging connected devices. Connecting a device to a surge protector provides more protection than simply connecting it to a wall outlet.

What is surge protector?

A surge protector (or spike suppressor, or surge suppressor, surge diverter, SPD or TVSS) is an appliance or device intended to protect electrical devices from voltage spikes in alternating current (AC) circuits. A voltage spike is a transient event, typically lasting 1 to 30 microseconds, that may reach over 1,000 volts.

How do surge protectors work?

The most common and effective way is the shorting method in which the electrical lines are temporarily shorted together (as by a spark gap) or clamped to a target voltage (as by a MOV) resulting in a large current flow.

What voltage is needed for surge protectors?

Also known as the let-through voltage, this specifies what spike voltage will cause the protective components inside a surge protector to short or clamp. A lower clamping voltage indicates better protection, but can sometimes result in a shorter life expectancy for the overall protective system. The lowest three levels of protection defined in the UL rating are 330 V, 400 V and 500 V. The standard let-through voltage for 120 V AC devices is 330 volts.

Why are SM suppressors not rated in joules?

These devices are not rated in joules because they operate differently from the earlier suppressors, and they do not depend on materials that inherently wear out during repeated surges . SM suppressors are primarily used to control transient voltage surges on electrical power feeds to protected devices. They are essentially heavy-duty low-pass filters connected so that they allow 50 or 60 Hz line voltages through to the load, while blocking and diverting higher frequencies. This type of suppressor differs from others by using banks of inductors, capacitors and resistors that suppress voltage surges and inrush current to the neutral wire, whereas other designs shunt to the ground wire. Surges are not diverted but actually suppressed. The inductors slow down the energy. Since the inductor in series with the circuit path slows the current spike, the peak surge energy is spread out in the time domain and harmlessly absorbed and slowly released from a capacitor bank.

What is shorting in surge protectors?

Shorting is done by spark gaps, discharge tubes, zener-type semiconductors, and metal-oxide varistors (MOVs), all of which begin to conduct current once a certain voltage threshold is reached, or by capacitors which inhibit a sudden change in voltage. Some surge protectors use multiple elements.

How does a transient surge protector work?

A transient surge protector attempts to limit the voltage supplied to an electric device by either blocking or shorting current to reduce the voltage below a safe threshold. Blocking is done by using inductors which inhibit a sudden change in current.

What happens when a power circuit is shorted?

In data circuits, the data channel becomes shorted and non-functional. In a power circuit, you may get a dramatic meltdown or even a fire if not protected by a fuse of some kind. Most modern surge strips and house protectors have circuit breakers and temperature fuses to prevent serious consequences.

Electrical Currents

Even with properly installed electrical wiring, electricity presents a danger. There can be surges in voltage from time to time, potentially creating danger for yourself and your appliances. Because electricity is somewhat unpredictable, there is not a whole lot that can be done to stop them from happening.

What is a Surge Protector?

A surge protector helps you to avoid the damages that can come with sudden power surges. Most of the electronic equipment in your home – television, computer, etc. – are rated to handle a certain level of power.

How Does a Surge Protector Work?

Though it sounds like something of a complicated endeavor, the process is actually kind of simple. Surge protectors regulate the current and voltage within those electrical appliances and equipment. This is done through either blocking or grounding, bringing that current to a safe level by the time it hits the equipment.

What is a GFCI?

When there is a break in the low-resistance grounding path that runs from an electrical system or a tool, what is known as a ground fault takes place. When situations like these arise, that electrical current moves through another route to get to the ground. That can result in serious injuries and even death.

How Does a GFCI Work?

Though it sounds like something of a complicated thing, a GFCI is actually a pretty simple thing. It works to compare the total current that is both going into and coming back from circuit conductors as well as the equipment.

Are They the Same Thing?

Yes and no. Technically speaking, they are different entities. You can think of it in a pretty simple way. A surge protector is meant to protect from surges that come from events like a lightning strike or a power outage.

What are the Benefits of GFCI?

Now that we have a better idea of how a GFCI works, you may be wondering how they can be beneficial to you and your home. Here are a few of the most important benefits to be had by implementing a GFCI.

1. APC Performance SurgeArrest 12

The best surge protector or best power strip in our opinion is the APC Performance SurgeArrest 12, model P12U2. The unit offers 4,320 joules of protection, along with 12 electrical plugs and two USB ports. The surge protector is relatively slim and compact, making it an easy-fit behind media consoles or televisions.

2. Belkin 12 Outlet Surge Protector

Belkin’s 12 Outlet Surge Protector, model BV12234-08, is an excellent unit that provides plenty of protection, which is why it’s one of the best surge protectors and best power strips on the market. With 12 outlets and two USB charge ports, it matches the APC Performance SurgeArrest 12.

3. Anker PowerPort Strip 12

Anker is a brand more often found at online retailers like Amazon than at Best Buy. But the company has made a name for itself with its clean white aesthetic, value and quality. The Anker PowerPort Strip 12 is no exception.

5. CyberPower Desktop Power Charger

The CyberPower Desktop Power Charger is meant for a desk, to plug in accessories or charge phones. Not only that, it includes a 10W Qi wireless charger.

6. Monoprice 12 Outlet Power Surge Protector with 2 Built-in USB Charger Ports

The Monoprice 12 Outlet Power Surge Protector with 2 Built-in USB charger Ports is a solid piece of kit. The transparent rails on the side that light up to indicate both grounding and surge protection look slick. And of all the units we tested, it was the sturdiest of the bunch, with a flat and wide base.

7. Belkin 3-outlet Mini Surge Protector with USB Ports

The Belkin 3-outlet Mini Surge Protector with USB Ports is a bit of an oddball, but could come in handy for specific situations. Acting more like a wall tap, the 3-Outlet essentially gives buyers additional ports on their walls. It also swivels, meaning it can sit both horizontally and vertically.

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Getting to The Meaning of A ‘Surge’

Sources of Surge

  • A surge or transient is one of the most frequently occurring power issues. Its sources can be any one of the following: 1. Operating high-voltage electric devices (those such as refrigerators, air-conditioners, and elevators) 2. Defective wiring 3. Failure of electronic equipment 4. Power outages 5. Electric noise 6. Lightning strikes While these may be the sources that can cause a s…
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Potential Damages Caused by A Surge

  • As mentioned before, a surge may be short-term in nature, but it can bring many damages/losses in the long-term. These damages are listed as follows: 1. Completely shutdown/failure of electronic equipment 2. Regular downtimes 3. Losing of data 4. Time loss 5. Business downtime Before we move on to discuss the differences and what makes one device distinguished from th…
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What Are The Differences Between The Two?

  • VOLTAGE SPLURGE OR SPIKE
    SURGE PROTECTOR When there is a spike or splurge in voltage, and it goes beyond a certain level, the surge protector avoids that splurge. It does so by detecting it and cutting the power flow on a temporary basis while still working. The alternative way of it working is that it would cut the pow…
  • COMMON USAGE OF DEVICES:
    SURGE PROTECTOR Surge protectors aremainly used in industries such as energy, transportation, and telecommunications.However, surge protectors are also well-suited for vast use in electronic devices such as: 1. Those having a connection to electricity (either that which is generated locall…
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Conclusion

  • I hope with this article I have cleared the blurring differences between Surge Protectors and Surge Suppressors. Hopefully, these differences make it easy for you to distinguish between the two next time you intend on making a purchasing decision for either of the two devices. Good luck with your purchase! References: https://www.globalspec.com/learnmore/electrical_electronic_c…
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