Best Electrical Ballasts of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 20, 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Electrical ballasts are essential components in lighting systems that regulate the current flowing through fluorescent lamps. They help to stabilize the power supply, ensuring that the lamps start and run smoothly. Ballasts are available in a range of types, including magnetic, electronic, and digital, each with its unique features and benefits. Magnetic ballasts are the traditional type and are known for their durability and reliability, while electronic ballasts are more energy-efficient and environmentally friendly. Digital ballasts are the latest addition to the market, offering advanced features such as dimming and programmable settings. Overall, electrical ballasts are essential for efficient and reliable lighting systems.

At a Glance: Our Top Picks

Robertson Worldwide ISU232T8120 BA Cover #TOP 1
Robertson Worldwide ISU232T8120 BA
ftb score rating icon 9.9
Robertson 3P20135 Fluorescent eBallast Cover #TOP 2
Robertson 3P20135 Fluorescent eBallast
ftb score rating icon 9.8
Philips Advance RELB-2S40-N Electronic Ballast Cover #TOP 3
Philips Advance RELB-2S40-N Electronic Ballast
ftb score rating icon 9.6

Top 10 Electrical Ballasts

#TOP 1

Robertson Worldwide ISU232T8120 BA

3P20116 ISU232T8120
Black
Single Item
Robertson Worldwide ISU232T8120 BA Cover
Robertson ISU232T8120 (3P20116) Electronic Fluorescent Ballast, for 1 or 2 T8 Fluorescent Lamps Between 17W-32W (F17T8 Through F32T8) or 1 F40T8 Lamp, Instant Start, 120V (Qty 1)

Robertson Worldwide ISU232T8120 BA, also known as Robertson Ballast, is a high-quality electrical ballast that can replace several other models, including REL-2P32SC, REB2P32SC, Howard E2/32IS/120SC, Sola E-758-F-232-SC, GE-232-120-N, B232I120RH-A, B232I120RESA, VE232120MIP, QT2X32T8120ISNSC, Keystone KTEB-232LBF-1-TP-PIC-EV, and Espen VE232120HIP. This product has been designed and manufactured by Robertson, a company with over 60 years of experience in electronic design and quality manufacturing. The ISU232T8120 BA is an instant start, NPF, 1 or 2 lamp F32T8 ballast that operates on 120Vac, 60 Hz. This ballast is efficient, reliable, and easy to install. With the Robertson Ballast, you can be sure that your lights will turn on instantly without flickering, and that they will operate smoothly and quietly. Additionally, the ballast is energy-efficient, which can help you reduce your electricity bills and your carbon footprint.

What We Like
Easy installation process
Clear instructions provided
Instant start feature
Compatible with multiple lamp types
Cost-effective solution
What We Don't Like
No wire nuts included
Mounting holes may not align
#TOP 2

Robertson 3P20135 Fluorescent eBallast

3P20135
Black
Single Item
Robertson 3P20135 Fluorescent eBallast Cover
Robertson IEA432T8120N (3P20135) Electronic Fluorescent Ballast, for 3 or 4 T8 Fluorescent lamps between 17W-32W (F17T8 through F32T8) or 3 F40T8 Lamps, Instant Start, 120V (Qty 1)

The Robertson 3P20135 Fluorescent eBallast is a great choice for replacing old ballasts in 4 F32T8 Linear Lamps. It is equivalent to several other brands, and is easy to install. Customers report that it works well and is a great value. However, some have reported that the mounting ears were damaged on arrival.

What We Like
Easy installation
Reliable performance
Instant-on, no flicker
Good value
Quiet operation
What We Don't Like
Occasional early failure
Some rewiring required
#TOP 3

Philips Advance RELB-2S40-N Electronic Ballast

RELB-2S40-N
Black
1 Count (Pack of 1)
Philips Advance RELB-2S40-N Electronic Ballast Cover
Philips Advance RELB-2S40-N Electronic Ballast, T12 Lamps, 120V Lighting, 1 Count (Pack of 1), Black

The Philips Ballast is a high-quality electronic ballast designed for T12 lamps. This ballast is manufactured by the well-known brand Philips Advance and is imported from Mexico. With its advanced technology, the Philips Ballast ensures efficient and reliable performance for your electrical ballasts needs. It is perfect for both residential and commercial use, making it a versatile choice. The ballast is easy to install and provides a stable power supply for your lamps, ensuring they operate at their optimum performance. With the Philips Ballast, you can enjoy bright and consistent lighting, enhancing the ambiance of any space. Its durable construction ensures long-lasting use, making it a cost-effective choice for your lighting needs.

What We Like
Easy installation
Reliable performance
Perfect fit replacement
Fast shipping
Lightweight design
What We Don't Like
Short lifespan for some units
Minor startup delay
#TOP 4

Advance ICN-4P32-SC Electronic Fluorescent Ballast

ICN4P32N
Black
1 Count (Pack of 1)
Advance ICN-4P32-SC Electronic Fluorescent Ballast Cover
Advance ICN-4P32-SC Electronic Fluorescent Ballast, 4 Lamp, 32W T8, 120/277V

The Advance ICN-4P32-SC Electronic Fluorescent Ballast is a high power factor, 120-277V ballast with an instant start method. It is designed for indoor use and is suitable for replacing older magnetic ballasts. Customers have reported that it is easy to install and has been trouble free so far. However, some customers have experienced issues with GFCI tripping and a high-pitched whine when the light is on.

What We Like
Easy installation
Reliable performance
Cost-effective replacement
Long lifespan
What We Don't Like
Slight power-on delay
#TOP 5

Philips Advance ICN-2P32-N Electronic Ballast

ICN-2P32-N
Black
Philips Advance
Philips Advance ICN-2P32-N Electronic Ballast Cover
PHILIPS ICN-2P32-N BALLAST

The Philips Advance ICN-2P32-N Electronic Ballast is a great choice for retrofitting an old 8' fluorescent fixture. It is made of plastic and weighs 0.59 pounds. It is easy to install and comes with a reference guide for Lithonia 4ft florescent fixture owners. It is a great buy and good replacement, although it is a little thick and the cover may not fit well after installation.

What We Like
Easy installation process
Exact replacement fit
Cost-effective repair option
Clear wiring instructions
Fast shipping
What We Don't Like
Packaging could be improved
Some ends slightly bent
#TOP 6

Robertson Fluorescent eBallast for Linear Lamps

CECOMINOD055838
Aluminum
1 Count (Pack of 1)
Robertson Fluorescent eBallast for Linear Lamps Cover
Robertson RSW234T12120 (3P20132) Fluorescent Electronic Ballast, 120Vac, for 1 or 2 T8 Lamps between 25W to 32W, or 1 or 2 T12 Lamps between 25W to 40W, Preheat Rapid Start Operation (Qty 1 ea.)

The Robertson 3P20132 Fluorescent eBallast is designed for 2 F40T12 linear lamps and features preheat-rapid start, normal ballast factor, NPF, and 120Vac, 50-60Hz. It is compatible with a variety of lamp models and brands, although some may require additional wiring or adjustments. A spec sheet is available for reference, and the Quik-Pak option allows for easy and convenient ordering of 10 individually packaged units.

What We Like
Easy installation process
Bright, instant startup
Long wire length
Good value for money
Quiet, no humming
What We Don't Like
May require new screw holes
Unknown lifespan
#TOP 7

Philips Advance 10289 ICF-2S26-H1-LD Ballast

ICF-2S26-H1-LD
White
Advance Ballast
Philips Advance 10289 ICF-2S26-H1-LD Ballast Cover
Advance 10289 - ICF-2S26-H1-LD Compact Fluorescent Ballast

The Philips Advance Ballast is an electronic device designed to efficiently power compact fluorescent lamps. It offers a programmed start feature, which helps extend the life of your bulbs by gradually powering them on, reducing wear and tear. This ballast supports a wide voltage range from 120 to 277 volts, making it versatile for different electrical setups. Additionally, it uses a series lamp connection, allowing multiple lamps to be linked easily for consistent lighting. These features combine to provide you with a reliable, energy-saving lighting solution suitable for various environments.

What We Like
Easy installation process
OEM build quality
Exact replacement compatibility
Good price
Reliable operation
What We Don't Like
May need special tool
#TOP 8

PHILIPS LIGHTING ICN4P32N 3/4F17-F32 Elec Ballast

ICN4P32N
Black
1 Count (Pack of 1)
PHILIPS LIGHTING ICN4P32N 3/4F17-F32 Elec Ballast Cover
PHILIPS LIGHTING ICN4P32N 3/4F17-F32 Elec Ballast , Black

PHILIPS Elec Ballast is an electrical ballast that weighs 1.0 lb and is made in the United States. It has dimensions of 9.5"L x 1.9"W x 1.2"H. The ballast is designed to regulate the flow of electrical current to fluorescent lamps. With this ballast, you can ensure that your lamps will operate efficiently and effectively. The compact design of the ballast makes it easy to install and saves space. The PHILIPS Elec Ballast is a reliable and high-quality product that will provide you with long-lasting performance.

What We Like
Easy installation process
Works like original ballast
Fast shipping and delivery
Compatible with LED T8 bulbs
Bright light output
What We Don't Like
Not genuine Phillips brand
Possible need to replace bulbs
#TOP 9

Robertson 3P20158 ISL296T12MV Fluorescent eBallast

ISL296T12MV
Black
1 Count (Pack of 1)
Robertson 3P20158 ISL296T12MV Fluorescent eBallast Cover
Robertson ISL296T12MV Ballast (3P20158) – 1 or 2 Lamp F96T12 (96W) Fluorescent Electronic Ballast, 120–277V Universal Voltage, Instant Start, Parallel Operation, T12 Ballast for 8ft Lamps (Qty 1 ea.)

The Robertson Fluorescent eBallast is a reliable and efficient electrical ballast that can power up to 2 F96T12 linear lamps. This instant-start ballast operates smoothly on 120-277Vac, 50-60Hz, NBF, HPF, and is ideal for high output lamp applications. It is the electronic equivalent to GE-260-IS-MV-N, Keystone KTEB-275-UV-TP-PIC-SL, Valmont E296PI120G11, ICN-2P60-SC, REL-2P60-S, Espen VE275MVHIP, QTP2X96T12UNVIS, QT2X96/120IS, QT2X96/277IS. The Robertson Fluorescent eBallast is also a magnetic equivalent to S-275-S-TP, R2E75STP, R2E60STP, R2E75STP, RSM175STP, V2E60STP, V2E75STP, VSM175STP, MB1X96IS120, MB1X96IS277, MB2X96IS120, B260I277RH. With its successor to Robertson 000753 ISD296T12MVIP, the Robertson Fluorescent eBallast is now available in a 10 ea. Quik-Pak ROBERTSON 2P20158, making it easier to purchase and install.

What We Like
Easy installation process
Bright, instant-on lighting
Direct replacement for magnetic ballasts
Works well in cold temperatures
Cost-effective solution
What We Don't Like
Occasionally short wire length
Potentially slow shipping
#TOP 10

Robertson CC1420P Magnetic Fluorescent Ballast

3P10061
White
Robertson CC1420P Magnetic Fluorescent Ballast Cover
Robertson CC1420P /A V1 Magnetic Preheat Start Fluorscent Ballast (3P10061), 120Vac input, for 1 ea. F14T8, F15T8, F14T12, F15T12 or F20T12 Lamp (14W-20W), Qty 1

The Robertson Magnetic Ballast is designed to power a single T8 or T12 fluorescent lamp, making it a great choice for under-cabinet lighting, appliance fixtures, and compact signs. It works exclusively with 120V electrical systems, ensuring easy installation in most homes and light commercial spaces. This ballast uses a simple, normal power factor design, which is ideal for low-wattage lighting needs, helping you save energy. Its compact size allows it to fit neatly into fixtures without taking up much space, and it operates quietly, so you won’t be disturbed by humming noises. This makes it a practical and convenient option for replacing old ballasts.

What We Like
Easy installation
Quiet operation
Effective replacement
Compatible with older fixtures
What We Don't Like
Slightly taller than original unit
Minor cosmetic shipping damage
Buying Guide Image

The Complete Guide to Buying Electrical Ballasts

What are electrical ballasts?

Electrical ballasts are devices that are used in fluorescent and HID (High Intensity Discharge) lighting systems to regulate the flow of electricity. They help to prevent the lamps from being overdriven, which can lead to early failure and reduced efficiency.

Why are they important?

In a lighting system, the electrical ballast serves a critical role in ensuring that the lamps receive the proper amount of power. Without a ballast, the lamps would receive an excessive amount of power and be driven beyond their rated specifications, leading to reduced lifespan and potentially dangerous operating conditions.

How to choose the right ballast

When choosing an electrical ballast, there are a few key factors to consider:

  1. Compatibility: The ballast must be compatible with the type and number of lamps it will be driving. This includes the wattage and voltage rating of the lamps, as well as their operating frequency (e.g. 60Hz or 50Hz).

  2. Efficiency: Look for ballasts with a high power factor and low THD (total harmonic distortion), as these will be more energy efficient and generate less heat.

  3. Size and weight: The ballast should be the appropriate size and weight for the application and the space in which it will be installed.

  4. Features: Some ballasts may offer additional features, such as dimming capabilities or remote control options. Consider whether these features are important for your application.

  5. Brand and warranty: Consider the brand and warranty of the ballast. A reputable brand and a long warranty period can provide peace of mind and ensure that you have a reliable and high-quality product.

Conclusion

Choosing the right electrical ballast is essential for ensuring the safe and efficient operation of your lighting system. By considering factors such as compatibility, efficiency, size and weight, and additional features, you can select a ballast that will meet your needs and provide reliable performance.

Frequently Asked Questions (FAQs)

1. What does an electrical ballast do?

An electrical ballast regulates the current to the lamps and ensures they receive the correct voltage to start. It prevents lamps from drawing too much or too little power on their own, ensuring that the current provided is within the lamp's specifications.

2. What are the signs of a bad ballast?

Signs of a bad ballast include changing colors, buzzing sounds, dimming lights, delayed start, low light output, or inconsistent lighting levels. Physical signs such as a swollen casing or burn marks may also indicate a damaged ballast.

3. What happens when a ballast goes bad?

When a ballast starts failing, it can cause buzzing sounds or flickering bulbs. However, it's important to check the equipment thoroughly before assuming a replacement is necessary, as these issues can sometimes occur intermittently.

4. What are the two types of electrical ballasts?

The two basic types of electrical ballasts for fluorescent lights are magnetic (low frequency) and electronic (high frequency). Nowadays, electronic ballasts are more commonly used due to their higher efficiency compared to magnetic ballasts.

5. What causes a ballast to fail?

Premature ballast failure is often caused by environmental factors such as heat and moisture. Flickering fluorescent tubes can also contribute to ballast overheating and early failure. It is recommended to replace the pairing of tubes in a two-bulb or four-bulb fixture to prevent ballast failure.

6. How do I know if my ballast is magnetic or electronic?

One way to determine if your ballast is magnetic or electronic is to use your smartphone camera. Stand under the light or close to it and point your phone camera at the light. If you see strong dark strips flickering in the camera, it indicates a magnetic ballast. Otherwise, it is likely an electronic ballast.

Editor's Notes

During our electrical ballast research, we found 24 electrical ballast products and shortlisted 10 quality products. We collected and analyzed 40,689 customer reviews through our big data system to write the electrical ballasts list. We found that most customers choose electrical ballasts with an average price of $20.15.

The electrical ballasts are available for purchase. We have researched hundreds of brands and picked the top brands of electrical ballasts, including Robertson Worldwide, Philips, Advance Ballast. The seller of top 1 product has received honest feedback from 152 consumers with an average rating of 4.9.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.

Electrical Ballasts Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Robertson Worldwide Robertson Worldwide Philips Advance Ballast Philips Robertson Worldwide Philips Philips Robertson Worldwide Robertson Worldwide
Light Type Fluorescent Fluorescent Fluorescent Fluorescent - - Fluorescent Fluorescent Fluorescent -
Special Feature Lightweight BALLAST Energy Efficient Dimmable - - [POSSIBLE-VALUES: Energy Efficient, Smart Home Connectivity] Shock and vibration resistant Not Dimmable -
Wattage 32 watts 4 watts 72 watts 32 watts - - 26 watts 32 watts 267 watts -
Bulb Shape Size T8 T T T8 - - T4 T8 T8 -
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.9
ftb score rating icon 8.9
Where to Buy