Can You Plug A Mini Fridge Into A Surge Protector?

Last Updated on September 11, 2024 by Shari Mason

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Compared to normal refrigerators, mini-refrigerators have several advantages because they can be utilized in places where a larger refrigerator would be inconvenient. 

But the question is, can you plug a mini fridge into a surge protector (like large refrigerators)?

In this blog post, we’ll answer the question with an in-depth analysis of what a surge protector is, how it works, plus useful reminders.   

Plugging A Mini Fridge Into A Surge Protector: Should You Do It? 

Yes, you can use surge protectors attached to your mini fridge. Surge protectors can protect your device from power surges or spikes (almost similar to a circuit breaker).

However, connecting the fridge into a surge protector isn’t always a good idea. 

Connecting your fridge into a surge protector is not always recommended for various reasons. To begin, your refrigerator’s compressor is sensitive to temperature and current overloads, and if either occurs, your refrigerator will shut down immediately.

Plugging your fridge into a surge protector may also overload the systems built into your refrigerator.

This implies that if there is a power outage, mini-fridges may be unable to restart, resulting in an unintended problem with the food stored inside. But should you plug a fridge into an extension cord?

What is a Surge Protector? 

Surge protectors are a type of electrical appliance that protects electrical devices and equipment from power surges or voltage spikes (like a lightning strike). A surge protector can also prevent any voltage above 120 volts, the safe, designated level. 

High volts or sudden power surges can shorten the lifespan of appliances, burn the wires, and erase previously saved data. Much worse is that it can permanently damage the circuit and electrical appliances.

A power surge protector is a thin piece of plastic with multiple outlets into which your equipment can be plugged.

It also includes a cord for plugging it into a wall socket. While it’s not advisable to use surge protectors, a unit capacity of up to 1000 joules is appropriate for mini-fridges.  

How To Plug Mini Fridge Into A Surge Protector

To plug your mini fridge into a surge protector, use a receptacle surge protector into which the power cord can be plugged directly. If you use an extension cord, ensure it’s the same voltage as your fridge.

To turn on the fridge, plug it into the same outlet and press the power button. The light inside the refrigerator should illuminate, indicating that it is operational. It’s as simple as that!

Wondering how the surge protector works? 

The electronics or devices you plug into your electrical outlets require a constant electricity flow. Unfortunately, your sockets cannot supply consistent power.

A surge protector protects your electronic devices against power fluctuations or excessive voltage by rerouting dangerous power surges. So, only the necessary amount of electricity passes through them.

In most residential and commercial zones in the US, the standard voltage is 120 volts.

When the voltage surges to 120 volts, a surge protector kicks in to protect whatever is plugged in by directing the excess voltage to the grounding wire within the surge protector.

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Mini Fridge Specification 

The key components that contribute to the specification of a mini fridge and any electrical device are voltage, current, power, and frequency rating.

They are easily visible on the package or the device’s body. These elements have a direct impact on the selection of a surge protector.

Volts and frequency vary according to country and region. As a result, knowing your household’s volt rating and frequency is critical. As mentioned earlier, the rated voltage and frequency in the US (for example) are 120V and 60Hz, respectively.

A mini fridge typically uses between 50 and 100 watts [1] of power. As a result, the rated current is approximately two amps.

Ideal Surge Protector for Mini Fridge 

Complies to the Voltage and Ampere of Mini Fridge

The best surge protector to plug a mini fridge should meet the voltage and ampere rating of your appliance. The surge protector’s rating is easily visible, either carved into its body on a sticker.

At least 5 Amp Higher

We strongly advise you to use a surge protector rated at least 5 amperes higher than the rated current of your fridge or other devices and appliances. 

Safety Reminders  

• A surge protector (a Zener diode) [2] can protect the circuit against spikes (say, lightning strikes). It is also available in a submerged version with a transient voltage suppression diode.
• Plug a mini fridge into a three-pronged outlet if it has a three-pronged plug.
• Plug a mini fridge into a two-pronged outlet if it has a two-pronged plug. 
• Surge protectors cannot withstand sudden power surges or spikes because it is made of an iron core that only transfers alternating current electricity.
• A metal oxide varistor (MOV) present in most surge protectors can also be used to limit excessive power surges or spikes. Some surges also include a warranty package that states if an appliance connected to the surge protector is damaged, the surge protector manufacturer is responsible. They will reimburse you by repairing both the surge protector and the connected devices.
• A surge protector, like a filter or a bypass, can provide adequate protection and smooth electric flow to your equipment by dismissing spikes and power surges.

FAQs 

Is it safe to plug the mini fridge into the power strip?

No. It’s not safe to plug most appliances or devices, like refrigerators, microwaves, and toaster ovens, into a power strip or extension cords. These appliances have a higher power capacity and must be plugged directly into a wall outlet.

How many amps does a mini fridge use?

A mini fridge typically uses between 50 and 100 watts of power. So, the rated current is about two amps.

Does a fridge need surge protection?

Yes. A fridge needs surge protection. You just need to ensure the power surge protector you’ll use meets your fridge’s volt and ampere. 

Let’s Sum It Up 

You can certainly connect your mini fridge into a power surge protector. However, this isn’t always the best option.

Although a power surge protector will protect any electrical component by absorbing voltage spikes, whether or not one is required will depend on the type of electrical components used inside your mini fridge.

But if you opt to use a surge protector, ensure your fridge specifications align with the power surge protectors you’ll use.

Additionally, consider the surge protector reminders we’ve shared above for safety. 

References:

1. https://www.eia.gov/energyexplained/electricity/measuring-electricity.php 
2. https://byjus.com/physics/zener-diode/