Best Bolt-On Circuit Breakers of 2025

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Bolt-On Circuit Breakers are electrical safety devices designed to protect electrical circuits from damage caused by overloads, short circuits, or ground faults. They are unique in that they can be easily bolted onto a panel without the need to disconnect any wires. Bolt-On Circuit Breakers are available in a variety of sizes and amperages to fit different electrical systems. They are ideal for use in residential, commercial, and industrial applications. With their easy installation and reliable protection, Bolt-On Circuit Breakers are a popular choice for electricians and DIY enthusiasts alike.
At a Glance: Our Top Picks
Top 10 Bolt-On Circuit Breakers
Square D QOB250 Bolt On Circuit Breaker
The Square D Bolt On Circuit Breaker is a high-quality magnetic circuit breaker designed for residential and commercial electrical systems. With an interrupting rating of 10 Kiloampere at 120/240 Vac and 5 Kiloampere at 48 Vdc, this circuit breaker ensures reliable and safe operation. It is suitable for use with 120/240 Vac at 50/60 Hz and 48 Vdc. The 50 Amp, 2-pole configuration provides efficient protection against overloads and short circuits. The Square D Bolt On Circuit Breaker is a reliable and convenient choice for your electrical needs, offering peace of mind and ensuring the safety of your electrical system.
Eaton Cutler-Hammer C-H BAB1020
The Eaton Cutler-Hammer C-H BAB1020 is a miniature circuit breaker that offers reliable protection for your electrical system. With its quick-lag bolt-on feature, this 1P 120/2 breaker is easy to install and provides a secure connection. The 20A rating ensures that it can handle the electrical load without tripping. This breaker is designed to be compact, making it ideal for applications where space is limited. The Eaton Cutler-Hammer C-H BAB1020 is a trusted choice for residential and commercial use, providing convenience and peace of mind.
SIEMENS B220 Bolt-In Circuit Breaker
The SIEMENS B220 Circuit Breaker is a reliable and efficient electrical component designed to protect your circuits from overloads and short circuits. With a capacity of 20 Amps, this 2-pole breaker is suitable for both residential and commercial applications. It operates at 120/240 Volts AC, providing a stable and consistent power supply. The bolt-on feature ensures a secure and easy installation, allowing you to quickly replace or upgrade your existing circuit breaker. With its compact size and durable construction, the SIEMENS B220 Circuit Breaker is a convenient and long-lasting solution for your electrical needs.
Eaton Cutler-Hammer CHBAB2030 Circuit Breaker
The Eaton Cutler-Hammer CHBAB2030 is a magnetic circuit breaker with a 30A QCKLAG BOLT ON 2P 120/2 attribute. This circuit breaker is designed to protect electrical circuits from damage caused by overloads and short circuits. It is easy to install and can be bolted on to the electrical panel. The CHBAB2030 is a reliable and efficient circuit breaker that ensures the safety of your electrical system.
Square D QOB230CP Circuit Breaker
The Square D QOB230CP Circuit Breaker is a two-pole Bolt-On circuit breaker that provides reliable protection for your electrical system. It is designed for use with QO load centers, CSED's, and NQOD panel boards. With a voltage rating of 120/240 VAC and an interrupting rating of 10,000 AIR, this circuit breaker is capable of handling the demands of your electrical system. The Bolt-On installation makes it easy to install and ensures a secure connection. This circuit breaker is an essential component for protecting your electrical system from overloads and short circuits, providing you with peace of mind and ensuring the safety of your home or business.
Square D QOB120CP Circuit Breaker
The Square D QOB120CP Circuit Breaker is a reliable and efficient thermal-magnetic circuit breaker. With its bolt-on installation, it is easy to set up and compatible with various load centers and panel boards. This circuit breaker operates at 120/240 VAC and has a 10,000 AIR rating, ensuring optimal performance and safety. The 20 Amp one-pole design allows for efficient power distribution and protection. Whether you are installing it in your home or commercial space, this Square D Circuit Breaker provides the convenience and peace of mind you need for your electrical system.
Square D Bolt On Circuit Breaker 60 Amp
The Square D Circuit Breaker 60 Amp is designed to work seamlessly with NQ, NQOD panelboards, and QO loadcenters, making it a versatile choice for various electrical setups. Measuring 1.5 inches by 2.91 inches by 3.5 inches, its compact size allows for easy installation in tight spaces. With an interrupt current rating of 10 Kilo-Amps, it offers reliable protection against electrical faults, ensuring safety for your home or business. This breaker is ideal for those seeking a dependable solution to manage electrical loads effectively.
Square D-QOB320-Bolt On Circuit Breaker
This thermal-magnetic circuit breaker by Square D - QOB320 has 20 Amps, 3 poles, and a 240VAC AC voltage rating. It is a bolt-on type that ensures easy installation and maintenance. The product comes in a package with dimensions of 12.56 x 10.35 x 3.11 inches, making it easy to store and transport.
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 QOB220 Circuit Breaker
The Square D Circuit Breaker is a reliable miniature circuit breaker designed for 120/240V applications with a 20 Amp capacity. This new surplus model ensures excellent performance, protecting your electrical systems from overloads and short circuits. You can count on this device to enhance safety in your home or business by automatically shutting off power during faults. Its compact design allows for easy installation, making it a convenient choice for various electrical setups. With this circuit breaker, you'll enjoy peace of mind knowing your electrical systems are well-protected.
Frequently Asked Questions (FAQs)
1. What are the four types of circuit breakers?
There are four basic circuit breakers that are standard in most modern homes: single-pole, double-pole, GFCIs, and AFCIs. And don't worry, if you are unfamiliar with the different types of circuit breakers, we're here to help you understand the difference and explain their importance.
2. Are QO breakers bolt-on?
QO and QOB circuit breakers come in plug-on or bolt-on options and a complete range of amperages and interrupting ranges to fit into various QO distribution panels.
3. Are circuit breakers outdated?
Even though your electrical panel may be functioning properly, your breaker box may still be out of date. Electrical service panels should be replaced every 20 to 30 years. If you've been in your home that long, or if you moved into an existing home, your panel may be outdated.
During our bolt-on circuit breaker research, we found 24 bolt-on circuit breaker products and shortlisted 10 quality products. We collected and analyzed 3,979 customer reviews through our big data system to write the bolt-on circuit breakers list. We found that most customers choose bolt-on circuit breakers with an average price of $26.56.
The bolt-on circuit breakers are available for purchase. We have researched hundreds of brands and picked the top brands of bolt-on circuit breakers, including Schneider Electric, CUTLER HAMMER, SIEMENS, Square D, GE. The seller of top 1 product has received honest feedback from 73 consumers with an average rating of 4.5.

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.