Best Bolt-On Miniature Circuit Breakers of 2025
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Bolt-On Miniature Circuit Breakers are an essential component for any electrical system. These breakers are designed to protect against overloading and short circuits, preventing damage to the electrical system and potential electrical hazards. They are easy to install with a bolt-on design, making them a popular choice for both residential and commercial applications. These circuit breakers are available in a variety of sizes and amperage ratings, ensuring compatibility with a wide range of electrical systems. Bolt-On Miniature Circuit Breakers are a reliable and cost-effective solution for protecting electrical systems against potential hazards.
At a Glance: Our Top Picks
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Top 10 Bolt-On Miniature Circuit Breakers
GE THQB1120 Miniature Circuit Breaker
This miniature circuit breaker is made in China and has a model number of THQB1120. It is a 1-pole 20 amp 120/240 volt AC bolt-on mount type circuit breaker. The item package dimension is 17.272" L x 9.652" W x 3.048" H and it weighs 0.3 lb. It is categorized as a miniature circuit breaker.
Square D QOB120 Bolt On Circuit Breaker
The Square D Bolt On Circuit Breaker is a 1-pole circuit breaker that operates at 120/240V and has a 10kA capacity. As a miniature circuit breaker, it provides reliable protection for your electrical system. With a 20-amp rating, it is suitable for various applications and can handle both 120V and 240V loads. The compact design of this circuit breaker allows for easy installation and saves space in your electrical panel. It is a durable and high-quality product from the trusted brand Square D, ensuring the safety and efficiency of your electrical system.
GE THQB2140 Bolt-On Mount Type THQB Miniature Circuit Breaker
This miniature circuit breaker is a compact and reliable device that can interrupt electrical currents in case of overload or short circuit. It has a 2-pole configuration with a continuous current rating of 40 amps and 120/240V AC voltage. The LI trip function, EB GO schedule, and HACR special markings make it suitable for various applications. The circuit breaker features an internal common trip and can be reverse fed. It is made in China and has a model number of THQB2140. The item package dimension is 8.636" L x 9.906" W x 5.08" H.
Square D QOB330 Circuit Breaker
The Square D QOB330 is a reliable circuit breaker designed for your electrical protection needs. With its three-pole configuration, it allows you to manage power distribution effectively, making it ideal for larger systems. Operating at 30 amps, it can handle significant loads, ensuring that your appliances run smoothly without interruptions. Additionally, the Visi-Trip™ indicator provides a clear visual alert when a trip occurs, letting you quickly identify any issues. This feature enhances your safety by alerting you to potential problems before they escalate.
Eaton BAB1030 Industrial Miniature Circuit Breaker
The Eaton BAB1030 Industrial Miniature Circuit Breaker is a bolt-on mount type 1-pole breaker with a 30 Amp capacity and 120/240 Volt AC Quicklag. It is designed for industrial use and belongs to the category of Miniature Circuit Breakers. This breaker is perfect for protecting your electrical equipment against overcurrent and short circuit hazards.
GE THQB2120 Miniature Circuit Breaker
This GE THQB2120 2-Pole 20 Amp 120/240 Volt Miniature Circuit Breaker is designed to protect electrical circuits from damage caused by overload or short circuit. It has a 10 Kaic interrupting rating and is easy to install with its bolt-on mount type. This breaker is a great choice for industrial and commercial applications, as well as residential use when high performance is required.
Cutler Hammer BAB3020H Circuit Breaker
The Cutler Hammer BAB3020H is a 3 pole, 240 volt, 20 amp miniature bolt-on circuit breaker with a thermal-magnetic feature. It has a high interrupting rating of 10kA at 240 volts, making it a reliable option for protecting electrical circuits against overloads and short circuits.
Eaton BAB3040H Bolt-On Mount Type BAB Industrial Miniature Circuit Breaker
The Eaton BAB3040H is a 3-pole, 40A miniature circuit breaker designed for industrial use. This bolt-on breaker has a Type BAB and 10kAIC rating, suitable for 240V AC Quicklag. Measuring at 3.5 x 3.5 x 3 inches, it is compact in size and easy to install in tight spaces.
GE THQB32020 Bolt-On Mount Type THQB Miniature Circuit Breaker
This miniature circuit breaker is made in China and has a model number of THQB32020. It is a 3-pole 20 amp 240 volt AC breaker that can be bolted on. The item package dimension is 10.16" L x 9.652" W x 8.128" H and it weighs 0.85 lb. It belongs to the category of miniature circuit breakers.
Eaton BAB3100H Mini Circuit Breaker
The Eaton Mini Circuit Breaker is designed to provide reliable protection for your electrical systems. With its 3-pole configuration, it effectively manages power distribution, ensuring safety and efficiency in your setup. This breaker operates at 100 amps and works with 240 volts AC, making it suitable for various industrial applications. Its quick lag feature helps prevent nuisance trips, offering you peace of mind by maintaining a stable power flow. By choosing this circuit breaker, you enhance the safety and longevity of your electrical systems.
Frequently Asked Questions (FAQs)
1. What is a BAB breaker?
Eaton's bolt-on miniature circuit breakers (Quicklag) provide superior protection in panelboards, and offer easy installation. They are also switching duty rated for 120 VAC fluorescent light applications, and UL 489 listed. All products 15–100A are HACR rated.
2. What is a type BA circuit breaker?
Type B circuit breakers are designed to trip if the current flowing through hits between three and five times the recommended maximum or 'rated load'. This is the most sensitive type of MCB, designed for domestic applications, and low voltage commercial settings where any current surges are likely to be small.
3. Do they make mini GFCI breakers?
QOB120GFI SQUARE D Circuit Breaker Miniature Circuit Breaker (QOB-GFI) Ground Fault Protecting (Class A 6mA), 20A BOLT-IN.
During our bolt-on miniature circuit breaker research, we found 24 bolt-on miniature circuit breaker products and shortlisted 10 quality products. We collected and analyzed 4,694 customer reviews through our big data system to write the bolt-on miniature circuit breakers list. We found that most customers choose bolt-on miniature circuit breakers with an average price of $48.97.
The bolt-on miniature circuit breakers are available for purchase. We have researched hundreds of brands and picked the top brands of bolt-on miniature circuit breakers, including GE, Square D, Schneider Electric, Eaton. The seller of top 1 product has received honest feedback from 119 consumers with an average rating of 4.6.
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.