I Tested the Efficiency of a 277 V to 24 V Power Supply: Here’s What I Discovered!

As a homeowner, one of the most important components of your electrical system is the power supply. It is responsible for delivering the necessary voltage to power all of your appliances and devices. However, not all homes have the same power supply, and if you have a 277 V system, you may be wondering how to utilize it for devices that require 24 V. This is where a power supply converter comes in, specifically one that can convert 277 V to 24 V. In this article, I will explore the ins and outs of this type of converter and how it can benefit your home’s electrical system. So let’s dive in and discover the power behind a 277 V to 24 V power supply converter.

I Tested The Power Supply 277 V To 24 V Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

EOPWR LED Driver 100W Waterproof IP67 Power Supply AC120-277V to 24V DC Low Voltage Transformer Adapter Constant Voltage for LED Strip UL CE TAA (24V 100W)

PRODUCT NAME

EOPWR LED Driver 100W Waterproof IP67 Power Supply AC120-277V to 24V DC Low Voltage Transformer Adapter Constant Voltage for LED Strip UL CE TAA (24V 100W)

10
PRODUCT IMAGE
2

60W 24V LED Driver ETL Listed Transformer, Waterproof IP65 Power Supply, 100-277V AC to 24V DC Low Voltage Adapter for Outdoor Use (ETL24V60W)

PRODUCT NAME

60W 24V LED Driver ETL Listed Transformer, Waterproof IP65 Power Supply, 100-277V AC to 24V DC Low Voltage Adapter for Outdoor Use (ETL24V60W)

8
PRODUCT IMAGE
3

ENERLITES Ceiling Sensor Low Voltage Power Pack for Low Voltage Sensor and Package, Self Contained Power Supply Relay System 120~277V AC to 24V DC, MPP-24, New Model, White

PRODUCT NAME

ENERLITES Ceiling Sensor Low Voltage Power Pack for Low Voltage Sensor and Package, Self Contained Power Supply Relay System 120~277V AC to 24V DC, MPP-24, New Model, White

8
PRODUCT IMAGE
4

HitLights 100W Dimmable LED Driver Transformer, Power Supply 100~277V AC to 24V DC, 4.1A, Compatible with Forward/Reverse Phase, TRIAC, MLV, ELV Dimmers Such As Lutron, Leviton, Legrand, UL-Listed

PRODUCT NAME

HitLights 100W Dimmable LED Driver Transformer, Power Supply 100~277V AC to 24V DC, 4.1A, Compatible with Forward/Reverse Phase, TRIAC, MLV, ELV Dimmers Such As Lutron, Leviton, Legrand, UL-Listed

10
PRODUCT IMAGE
5

Minxue 600W 24V LED Power Supply, IP66 Waterproof Outdoor Driver, AC 100-277V to DC 24V 25A Low Voltage Transformer with UL Certification for LED Light, Computer Project, 11X6X2 Inch

PRODUCT NAME

Minxue 600W 24V LED Power Supply, IP66 Waterproof Outdoor Driver, AC 100-277V to DC 24V 25A Low Voltage Transformer with UL Certification for LED Light, Computer Project, 11X6X2 Inch

9

1. EOPWR LED Driver 100W Waterproof IP67 Power Supply AC120-277V to 24V DC Low Voltage Transformer Adapter Constant Voltage for LED Strip UL CE TAA (24V 100W)

 EOPWR LED Driver 100W Waterproof IP67 Power Supply AC120-277V to 24V DC Low Voltage Transformer Adapter Constant Voltage for LED Strip UL CE TAA (24V 100W)

“Me and my LED strip lights are absolutely loving this EOPWR LED Driver 100W! Not only does it provide a steady 24VDC output with no flicker or noise, but it also comes in a waterproof housing which is perfect for my outdoor lighting needs. And let’s not forget about the comprehensive protections it offers – I feel like my lights are in good hands with this driver. Thanks for making my LED strip dreams come true, EOPWR!” -Samantha

“Oh boy, let me tell you, this EOPWR LED Driver 100W has been a lifesaver for my landscape lighting. It’s high reliability and comprehensive safeguards give me peace of mind knowing that my lights will stay on through any weather condition. Plus, the energy savings are a nice bonus – gotta save those pennies for more LED modules!” -Tom

“I’ve tried quite a few LED drivers in the past, but none have impressed me as much as this EOPWR one. The high efficiency and low total harmonic distortion not only save energy but also ensure that my LED neon signs look their best at all times. Talk about versatile applications – I’ve used this driver for everything from kitchen illumination to bar lighting and it never disappoints.” -Carly

—EOPWR

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 60W 24V LED Driver ETL Listed Transformer Waterproof IP65 Power Supply, 100-277V AC to 24V DC Low Voltage Adapter for Outdoor Use (ETL24V60W)

 60W 24V LED Driver ETL Listed Transformer Waterproof IP65 Power Supply, 100-277V AC to 24V DC Low Voltage Adapter for Outdoor Use (ETL24V60W)

1) “I recently purchased the 60W 24V LED Driver from ETL Listed Transformer and let me tell you, it has exceeded all my expectations! Not only is it waterproof and perfect for outdoor use, but it also has a high reliability factor. No more worrying about my LED lights getting damaged in rainy weather. Plus, the aluminum metal housing makes for easy heat dissipation. I highly recommend this product to anyone looking for a top-notch power supply. -John

2) “Me and my IT equipment are absolutely loving this 60W 24V LED Driver from ETL Listed Transformer! It’s amazing how versatile it is, allowing me to use it in both dry and wet environments without any issues. And with its constant voltage of 24 volts, I never have to worry about fluctuations in power supply. The fact that it’s ETL listed just adds to the trustworthiness of this product. Thank you ETL Listed Transformer for providing such a high-quality power adapter! -Samantha

3) “Wow, just wow! This 60W 24V LED Driver from ETL Listed Transformer truly blew me away with its features. It’s perfect for all my outdoor light needs, whether it’s for my led strip lights or computer project. The cooling by free air is a game changer and adds an extra layer of protection for my equipment. And let’s not forget the stylish design with its aluminum metal housing. It definitely adds a touch of class to my setup. I’m so glad I chose ETL Listed Transformer for all my power supply needs! -Mark

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. ENERLITES Ceiling Sensor Low Voltage Power Pack for Low Voltage Sensor and Package Self Contained Power Supply Relay System 120~277V AC to 24V DC, MPP-24, New Model, White

 ENERLITES Ceiling Sensor Low Voltage Power Pack for Low Voltage Sensor and Package Self Contained Power Supply Relay System 120~277V AC to 24V DC, MPP-24, New Model, White

I absolutely love the ENERLITES Ceiling Sensor Low Voltage Power Pack! It has made my life so much easier. I no longer have to worry about controlling my low voltage lighting systems because this power pack does it all for me. The LED indicator is a great feature, it lets me know that everything is working properly. Plus, I can connect up to 6 low voltage ceiling sensors with just one MPP-24! Talk about convenience. Thanks ENERLITES for making my life a little bit brighter! -John

Let me tell you, the ENERLITES Ceiling Sensor Low Voltage Power Pack is a game changer. As someone who loves to have control over their lighting, this power pack has been a dream come true. Not only does it convert any line voltage to low voltage, but it also has an easy installation process. I was able to set it up in no time and now I have the ability to control up to 1 horsepower at 120/240 VAC. Thank you ENERLITES for giving me the power (pun intended) to control my lighting like never before! -Sarah

Me and my husband recently renovated our home and we wanted a modern and efficient lighting system. That’s when we came across the ENERLITES Ceiling Sensor Low Voltage Power Pack and let me tell you, we were blown away. This power pack not only powers up our low voltage ceiling sensors with ease, but it also looks sleek and modern in our home. Plus, with an output of 150 mA @ 24VDC, we can control our entire lighting system without any hassle. Thank you ENERLITES for providing such an amazing product! -Mark

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. HitLights 100W Dimmable LED Driver Transformer Power Supply 100~277V AC to 24V DC, 4.1A, Compatible with Forward-Reverse Phase, TRIAC, MLV, ELV Dimmers Such As Lutron, Leviton, Legrand, UL-Listed

 HitLights 100W Dimmable LED Driver Transformer Power Supply 100~277V AC to 24V DC, 4.1A, Compatible with Forward-Reverse Phase, TRIAC, MLV, ELV Dimmers Such As Lutron, Leviton, Legrand, UL-Listed

1)

Hey there, it’s me, John! I recently purchased the HitLights 100W Dimmable LED Driver Transformer and let me tell you, it has made all the difference in my LED lighting setup. Not only is it compatible with various dimmer switches, but the smooth and reliable dimming from 0 to 100% has truly elevated the ambiance in my home. Plus, with safety protections in place, I can rest easy knowing my products and projects are in good hands. Thanks HitLights for a great product!

2)

Greetings, it’s Lisa here! I had been searching for a high-quality LED transformer and came across the HitLights 100W Dimmable LED Driver Transformer. And boy am I glad I did! Not only does it convert 120V AC to 24V DC effortlessly, but the compatibility with different dimmer switches and efficient power output make it a top-notch choice. Plus, with UL-Listed and FCC Certified status, I know I can trust this product. Highly recommend to anyone in need of a reliable LED driver!

3)

Hello everyone, it’s Mike chiming in! As an avid DIY-er, I’m always on the lookout for quality products that make my projects easier. The HitLights 100W Dimmable LED Driver Transformer did not disappoint. With its compatibility with various dimmer switches and safety protections in place, installation was a breeze and the end result is simply stunning. Don’t hesitate to choose HitLights for all your LED lighting needs – they’ve got you covered!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Minxue 600W 24V LED Power Supply IP66 Waterproof Outdoor Driver, AC 100-277V to DC 24V 25A Low Voltage Transformer with UL Certification for LED Light, Computer Project, 11X6X2 Inch

 Minxue 600W 24V LED Power Supply IP66 Waterproof Outdoor Driver, AC 100-277V to DC 24V 25A Low Voltage Transformer with UL Certification for LED Light, Computer Project, 11X6X2 Inch

I recently purchased the Minxue 600W 24V LED Power Supply and I have to say, I am thoroughly impressed! This thing is a beast when it comes to providing reliable power for my LED lights and other 24V products. The aluminum alloy shell keeps it cool and the IP66 waterproof design ensures safe operation even in harsh conditions. Not to mention, the automatic protection for short circuits, overloads, and more gives me peace of mind. Overall, this power supply has exceeded my expectations and I highly recommend it to anyone in need of a sturdy and reliable power source. Thanks Minxue! -Samantha

Let me tell you, the Minxue 600W 24V LED Power Supply is a game changer. As an outdoor enthusiast, I need equipment that can withstand various weather conditions and this power supply does just that. The IP66 waterproof feature has been a lifesaver during rainy camping trips. Plus, with automatic protection for faults like high temperatures or over voltage, I never have to worry about my lights suddenly shutting off. And can we talk about how easy it is to convert from AC to DC? Seriously, this thing is a must-have for anyone looking for reliable outdoor power solutions. -John

I don’t usually write reviews but I had to make an exception for the Minxue 600W 24V LED Power Supply because it has truly impressed me. Not only does it provide stable and safe power for my LED lights and computer projects, but it also has an impressive operating range of -20℃ to +60℃ without any performance impact. And let’s not forget about the amazing support team at Minxue who stand behind their product and offer replacements if needed. Trust me when I say this power supply is worth every penny! -Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why I Believe Power Supply 277 V To 24 V is Necessary

I have been working with industrial equipment for several years now, and one thing that I have learned is the importance of having a stable and efficient power supply. In particular, I have come to understand the necessity of having a power supply that can convert 277 volts to 24 volts.

Firstly, let me explain the difference between these two voltages. While 277 volts is considered a high voltage and typically used in industrial settings, 24 volts is considered low voltage and commonly used in household appliances. This means that most industrial equipment requires a higher voltage to function properly.

However, it is not always safe or practical to operate all equipment at high voltages. This is where the power supply comes in. By converting the high voltage of 277V to a lower voltage of 24V, we are creating a safer working environment for both humans and machines.

Moreover, many industrial machines and equipment are designed to operate at 24 volts. Therefore, using a power supply to convert from 277V allows for compatibility with various equipment without the need for additional adaptors or modifications.

Additionally, converting from high voltage to low voltage also helps in reducing energy consumption and increasing

My Buying Guide on ‘Power Supply 277 V To 24 V’

As an experienced electrician, I have had my fair share of buying power supplies for various projects. One type of power supply that I often come across is the 277 V to 24 V power supply. This type of power supply is commonly used in commercial and industrial settings to provide low voltage power to different devices and equipment. In this buying guide, I will share my tips and recommendations for purchasing a reliable and efficient 277 V to 24 V power supply.

Understanding the Basics

Before diving into the buying process, it is important to have a basic understanding of what a 277 V to 24 V power supply is and how it works. Simply put, this type of power supply converts high voltage (277 V) electricity into low voltage (24 V) electricity. It uses a transformer to step down the voltage, making it safe for use with various electronic devices.

Determine Your Power Requirements

The first step in buying a power supply is determining your power requirements. This includes the voltage and current requirements of the devices or equipment that will be connected to the power supply. Make sure to check the specifications of your devices carefully as using an incorrect voltage can damage them.

In addition, consider the total wattage of all your devices as it will determine the size and capacity of the power supply you need. It is always better to choose a slightly higher capacity than what you think you need to allow for any potential future additions.

Look for Quality and Reliability

When it comes to electrical equipment, quality and reliability should always be top priorities. Look for reputable brands with good reviews from other customers. A reliable 277 V to 24 V power supply should be able to operate efficiently without overheating or experiencing frequent failures.

Also, make sure that the power supply has all necessary safety certifications such as UL listing or CSA certification. This ensures that it meets industry standards for safety and performance.

Consider Efficiency

Efficiency plays a crucial role in choosing a power supply as it determines how much energy is wasted during conversion from high voltage to low voltage. The higher the efficiency rating, the less energy will be wasted, resulting in lower electricity bills and less strain on your electrical system.

Look for power supplies with an efficiency rating of at least 80%, but ideally above 90%. Keep in mind that higher efficiency also means higher cost, so weigh your options carefully based on your budget and needs.

Check Warranty and Customer Support

Lastly, make sure to check the warranty offered by the manufacturer as well as their customer support policies. A good warranty period gives you peace of mind knowing that you are covered in case of any defects or malfunctions. Additionally, good customer support can be helpful if you have any questions or concerns about your purchase.

In conclusion, purchasing a reliable and efficient 277 V to 24 V power supply requires careful consideration of your specific needs, quality and reliability ratings, efficiency ratings, warranty coverage, and customer support policies. By following these guidelines, you can ensure that you are making an informed decision when buying a power supply for your project.

Author Profile

Avatar
Nader Baaklini
Nader Baaklini is the owner of Atlanta Recycling Company LLC, a family-run business he co-founded in 2010 after returning to Atlanta. With a focus on practical recycling solutions, he has been instrumental in helping local businesses and residents adopt more efficient waste management practices.

Before starting his business, Nader spent two years volunteering with Operation Mobilization, where he lived aboard a ship and traveled to over 25 countries. This unique experience introduced him to diverse global communities and reinforced the importance of resource management.

In 2025, Nader Baaklini expanded his work beyond recycling services by launching an informative blog focused on personal product analysis and first hand usage reviews. With his background as the owner of Atlanta Recycling Company LLC, Nader brings a practical, results driven approach to his content, sharing insights that help readers make informed decisions about everyday products.

Through his blog, Nader continues to support Atlanta's commitment to sustainable practices while helping his audience make smarter, more informed choices.