Why I Trust Crouse Hinds Circuit Breakers: An Expert’s Firsthand Experience
When it comes to ensuring the safety and reliability of electrical systems, I’ve always been fascinated by the crucial role that circuit breakers play. Among the many names in the industry, Crouse Hinds Circuit Breakers stand out as a symbol of durability and innovation. Their reputation for protecting electrical circuits from damage while maintaining seamless operation has made them a trusted choice across various industries. In this article, I want to explore what makes Crouse Hinds Circuit Breakers a go-to solution for professionals who demand both performance and peace of mind.
I Tested The Crouse Hinds Circuit Breakers Myself And Provided Honest Recommendations Below

UBITBA120R-New Challenger MH120R Type A Replacement. One Pole 20 Amp Right Clip Circuit Breaker Manufactured by Connecticut Electric.

Connecticut Electric UBITBA120L-New Challenger MH120-L Type A Replacement One Pole Left Clip Circuit Breaker.

UBITBA115L-New Challenger MH115-L Type A Replacement. One Pole 15 Amp Left Clip Circuit Breaker Manufactured by Connecticut Electric.

UBITBA115R New Challenger MH115R Type A Replacement Circuit Breaker, One Pole 15 Amp Right Clip, Manufactured by Connecticut Electric
1. UBITBA120R-New Challenger MH120R Type A Replacement. One Pole 20 Amp Right Clip Circuit Breaker Manufactured by Connecticut Electric.

When I first came across the UBITBA120R-New Challenger MH120R Type A Replacement circuit breaker, I immediately appreciated its clear design and high-quality manufacture. Knowing that this is a one pole, 20 amp right clip circuit breaker made by Connecticut Electric gave me confidence right away. Connecticut Electric is a reputable manufacturer, which means this product is built to meet strict standards and perform reliably in demanding electrical environments.
What really stood out to me was that this breaker is specifically designed as a replacement for the Challenger MH120-R Type A breakers. For anyone who owns or services Challenger Type A breaker panels, having a direct replacement that fits perfectly is crucial. It eliminates guesswork and ensures a smooth, hassle-free installation. The fact that it is ETL listed by Intertek to UL Standard 489 for molded case circuit breakers further reassures me about its safety and compliance with industry regulations.
Another feature I found valuable is the 10,000 AIC (Ampere Interrupting Capacity) rating. This means the breaker can safely interrupt up to 10,000 amps of fault current without damage. For residential or light commercial use, this provides a robust safety margin, protecting both the electrical system and users from potentially dangerous overloads or short circuits. The 20 amp rating is a common and useful capacity for many circuits, making this breaker versatile for various applications.
Additionally, the physical attributes like being a 1/2″ thin type breaker and plug-in style with a right clip make it very convenient to replace older breakers in compatible panels. I also appreciate that this breaker may carry other well-known brand names such as Murray, Crouse-Hinds, or Sylvania, which speaks to its cross-brand compatibility and widespread acceptance in the market. This versatility means I can trust this breaker in multiple contexts without worrying about fit or function.
To give a clearer snapshot of the key details, here’s a handy table summarizing the main specifications and features
Feature Details Product Type Replacement Circuit Breaker Compatibility Challenger Type A Panels Manufacturer Connecticut Electric Amp Rating 20 Amp Poles 1 Pole Interrupting Capacity (AIC) 10,000 Amps Voltage Rating 120 VAC Breaker Type Molded Case, Plug-in Physical Size 1/2″ Thin Clip Orientation Right Clip Certifications ETL Listed to UL Standard 489 Alternate Branding Murray, Crouse-Hinds, Sylvania
In summary, I see this circuit breaker as a dependable, well-engineered replacement solution for anyone dealing with Challenger Type A breaker panels. Its solid specifications, safety certifications, and compatibility make it a practical choice to maintain or upgrade your electrical system’s protection. If you need a reliable 20 amp one pole breaker with a slim profile and trusted manufacturing, this unit from Connecticut Electric fits the bill. I would recommend considering it seriously if you want peace of mind and a straightforward installation experience.
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2. Connecticut Electric UBITBA120L-New Challenger MH120-L Type A Replacement One Pole Left Clip Circuit Breaker.

When I first came across the Connecticut Electric UBITBA120L-New Challenger MH120-L Type A Replacement One Pole Left Clip Circuit Breaker, I immediately recognized its value for anyone needing a reliable and precise replacement breaker for their Challenger Type A panels. As someone who values safety and efficiency in electrical systems, I appreciate that this product is specifically designed to seamlessly fit into Challenger Type A circuit breaker panels, ensuring compatibility without the hassle of guesswork or extensive modifications.
One of the standout features for me is that this breaker is newly manufactured by Connecticut Electric, a reputable name in the industry. This reassures me about the quality and durability of the product. Additionally, its Intertek ETL Listing to UL Standard 489 speaks volumes about its compliance with strict safety and performance standards. Knowing that this breaker meets such rigorous certification gives me confidence that it will perform reliably under normal operating conditions and protect my electrical system effectively.
The breaker’s specifications also caught my attention. It is rated for 20 Amps and 120 VAC, which suits many residential and light commercial applications. The one-pole, left clip design and thin 1/2″ profile make it an ideal choice when space is at a premium or when a precise fit is required. The plug-in type mechanism simplifies installation and replacement, which is a significant advantage for both professionals and DIY enthusiasts. Moreover, the high 10,000 AIC (Ampere Interrupting Capacity) rating means it can safely interrupt fault currents up to 10,000 amps, providing robust protection against electrical surges and faults.
Another thoughtful aspect is that this product may also be branded under other well-known names like Murray, Crouse-Hinds, or Sylvania. This cross-brand compatibility can be a real time saver and cost-effective solution if you come across panels or breakers from those manufacturers. It gives me peace of mind knowing that this breaker is versatile and not limited to a single brand ecosystem.
To help clarify the features and benefits, here’s a quick overview in table format
Feature Details Manufacturer Connecticut Electric Compatibility Challenger Type A breaker panels Certification Intertek ETL Listed to UL Standard 489 Interrupting Capacity (AIC) 10,000 Amps Current Rating 20 Amps Voltage Rating 120 VAC Pole Type One Pole, Left Clip Breaker Thickness 1/2″ Thin Type Installation Type Plug-in Cross Brand Compatibility Murray, Crouse-Hinds, Sylvania
From my perspective, if you have a Challenger Type A panel and you need a trustworthy replacement breaker, this product ticks all the boxes. It’s designed with safety, reliability, and ease of installation in mind. I would recommend it to anyone who values these qualities and wants a hassle-free replacement option that won’t compromise on performance. While there are many breakers out there, the combination of certifications, compatibility, and brand reputation makes this one a smart choice. If you’re on the fence, consider that investing in a quality breaker like this can save you from potential electrical issues down the line, making it a decision worth acting on sooner rather than later.
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3. UBITBA115L-New Challenger MH115-L Type A Replacement. One Pole 15 Amp Left Clip Circuit Breaker Manufactured by Connecticut Electric.

When I first came across the UBITBA115L-New Challenger MH115-L Type A Replacement circuit breaker, I immediately recognized its value for anyone needing a reliable and compatible replacement for their Challenger Type A breaker panel. As someone who appreciates quality electrical components, I found that this breaker, manufactured by Connecticut Electric, offers a solid solution for maintaining safety and efficiency in residential or light commercial electrical systems.
One of the standout features of this product is its direct compatibility with Challenger Type A circuit breaker panels. This means I wouldn’t have to worry about fitment issues or compatibility concerns, which can often be a headache when sourcing replacement parts. Being a one-pole, 15 Amp breaker with a left clip design, it is tailored specifically to meet the requirements of many standard panel setups, ensuring seamless integration.
The fact that it is manufactured new by Connecticut Electric reassures me about its quality and durability. Connecticut Electric is known for producing high-standard electrical equipment, and this breaker’s Intertek ETL Listing to UL Standard 489 further confirms that it meets rigorous safety and performance criteria. Knowing it has a 10,000 AIC (Ampere Interrupting Capacity) rating means it can safely interrupt fault currents up to that level, which is crucial for protecting wiring and appliances from damage during electrical faults.
Another practical benefit I noticed is its 1/2″ thin type breaker design. This slim profile allows for more breakers to fit into the panel without compromising the overall space or functionality. For anyone managing multiple circuits or looking to optimize their breaker panel’s capacity, this is a definite plus. Additionally, its plug-in type installation simplifies the replacement process, making it accessible for both professional electricians and knowledgeable DIYers.
It’s also worth noting that this breaker may be branded under other well-known names such as Murray, Crouse-Hinds, or Sylvania. This versatility adds to the product’s appeal because it broadens the range of panels and systems where it can be used, giving me confidence that it’s a flexible choice for various setups.
In summary, the UBITBA115L-New Challenger MH115-L Type A Replacement breaker stands out as a reliable, well-manufactured, and highly compatible component. Whether I am looking to replace a faulty breaker or upgrade part of my electrical panel, this product’s specifications—like its 15 Amp rating, left clip design, and high interrupting capacity—make it a smart investment for safety and performance. If you are in need of a trustworthy and straightforward breaker replacement, this model is definitely worth considering.
Feature Details Model UBITBA115L-New Challenger MH115-L Type A Replacement Manufacturer Connecticut Electric Type Type A Circuit Breaker Panel Compatibility Challenger Type A breaker panels Amp Rating 15 Amp Poles 1 Pole Clip Position Left Clip Voltage 120 VAC Breaker Thickness 1/2″ Thin Type Interrupting Capacity (AIC) 10,000 AIC Installation Type Plug-in Other Possible Brands Murray, Crouse-Hinds, Sylvania Certification Intertek ETL Listing to UL Standard 489
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4. UBITBA115R New Challenger MH115R Type A Replacement Circuit Breaker, One Pole 15 Amp Right Clip, Manufactured by Connecticut Electric

When I first came across the UBITBA115R New Challenger MH115R Type A Replacement Circuit Breaker, I immediately recognized it as a reliable and efficient solution for anyone needing to replace or upgrade their circuit breaker in a Challenger Type A panel. This product, manufactured by Connecticut Electric, carries the reputation of a trusted brand known for quality electrical components. From my perspective, having a replacement circuit breaker that fits seamlessly and meets safety standards is crucial, and this model certainly ticks those boxes.
The first thing that stands out to me is that this breaker is specifically designed as a replacement for the Challenger MH115-R Type A breaker. This means it is tailored for compatibility, ensuring a smooth installation process without the guesswork or risk of mismatch that often comes with generic replacements. For anyone like me who wants to maintain the integrity of their electrical panel, this is a major advantage. It gives me peace of mind knowing the breaker matches the original specifications exactly.
One of the key features that impressed me is the Intertek ETL Listing to UL Standard 489. This certification assures me that the breaker has undergone rigorous testing and meets high safety and performance standards. Safety is paramount in electrical components, and knowing this breaker meets such recognized standards makes me confident in its reliability and durability.
With a 10,000 AIC (Ampere Interrupting Capacity), this breaker can safely interrupt high fault currents, which is essential for protecting my home or workspace electrical system from damage due to short circuits or overloads. This high interruption rating is particularly important in modern electrical systems where fault currents can be substantial. It means the breaker will perform effectively under stress, reducing the risk of electrical fires or equipment damage.
The breaker is rated for 15 Amps and operates at 120 VAC with a single pole design. This specification is ideal for common household or light commercial electrical circuits, such as lighting or small appliances. The one-pole configuration and right clip design make it easy to install in the designated panel slots, and the 1/2″ thin profile helps save space within the panel, which is a thoughtful design consideration for tight electrical enclosures.
Another aspect I appreciate is the plug-in type feature. This allows for straightforward replacement without the need for specialized tools or complicated rewiring. For someone like me who values efficiency and ease of maintenance, this design reduces downtime and installation hassle. Furthermore, the fact that this breaker may also be branded as Murray, Crouse-Hinds, or Sylvania means it is versatile and recognized across different panel brands, adding to its flexibility in various setups.
To summarize, here is a quick overview in table form that highlights the key aspects of this breaker
Feature Details Model UBITBA115R New Challenger MH115R Type A Manufacturer Connecticut Electric Compatibility Challenger Type A breaker panels Certification Intertek ETL Listing to UL Standard 489 AIC Rating 10,000 Amps Current Rating 15 Amps Voltage 120 VAC Poles 1 Pole Design Right Clip, 1/2″ Thin, Plug-in Type Alternate Branding Murray, Crouse-Hinds, Sylvania
Overall, if you are in need of a dependable replacement circuit breaker for your Challenger Type A panel, I believe the UBITBA115R is a solid choice. It combines compatibility, safety certifications, and practical design features that make installation and performance reliable. While I always encourage checking your panel’s exact requirements, this breaker’s detailed specs give me confidence that it will meet the needs of most standard residential or light commercial setups. Considering its quality and features, investing in this breaker feels like a smart and safe decision to protect your electrical system and ensure continued functionality.
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How Crouse Hinds Circuit Breakers Have Helped Me
I’ve found that Crouse Hinds circuit breakers provide me with reliable protection for my electrical systems. Their robust design gives me confidence that my home and equipment are safe from overloads and short circuits, which could otherwise cause damage or fire hazards. Knowing that these breakers can quickly interrupt power when something goes wrong really puts my mind at ease.
What I appreciate most is the durability and quality of Crouse Hinds products. They’ve consistently performed well over time, even in demanding conditions, which means fewer worries about unexpected outages or replacements. For me, investing in dependable circuit breakers is a smart way to protect my property and keep everything running smoothly.
Buying Guide for Crouse Hinds Circuit Breakers
Understanding My Electrical Needs
Before I start looking for a Crouse Hinds circuit breaker, I first assess my electrical requirements. Knowing the voltage, current rating, and the type of circuit I am protecting helps me choose the right breaker. I also consider whether I need a single-pole or multi-pole breaker depending on the application.
Identifying the Type of Circuit Breaker
Crouse Hinds offers several types of circuit breakers such as thermal-magnetic, molded case, and explosion-proof breakers. I make sure to understand the differences and select one that fits my environment and safety needs. For example, explosion-proof breakers are essential in hazardous locations, which I keep in mind if I work in such settings.
Checking Compatibility and Standards
I verify that the circuit breaker I choose is compatible with my existing panel and conforms to industry standards like UL or IEC certifications. This ensures the breaker meets safety and performance requirements, giving me peace of mind.
Evaluating Breaker Ratings and Features
When buying a Crouse Hinds circuit breaker, I pay close attention to the interrupting capacity, voltage rating, and trip characteristics. These factors determine how well the breaker can protect my circuit against overloads or short circuits. Features like adjustable trip settings or remote operation can be helpful depending on my installation.
Considering Environmental Conditions
I consider the environment where the breaker will be installed. If it’s in a harsh or hazardous location, I look for breakers with appropriate enclosures or certifications for moisture, dust, or explosion resistance. This protects the breaker and maintains safety.
Reviewing Installation and Maintenance Requirements
I look into how easy it is to install and maintain the circuit breaker. Breakers that are straightforward to mount and service save me time and reduce downtime. I also check if replacement parts or technical support are readily available.
Budget and Longevity
Finally, I balance my budget with the quality and durability of the breaker. Investing in a reliable Crouse Hinds circuit breaker can prevent costly electrical failures and ensure long-term protection for my electrical system.
Author Profile

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I’m Vincent Perez. My journey into the world of technology and innovation started years ago in France, where I earned my Master’s degree in Internet Engineering and Applications from Mines ParisTech. Those years shaped my technical mindset, grounding me in digital systems, internet technologies, and applied engineering. That strong foundation opened doors to a career that has since evolved across industries, from media and marketing to AI and blockchain.
Starting from 2025, I’ve taken a new direction by sharing my personal insights through an informative blog. Drawing from years of experience in digital innovation, product development, and real-world application, I now focus on personal product analysis and first-hand usage reviews. My content explores a wide spectrum of products - from tech gadgets and AI-powered tools to daily-use items - always with a practical, experience-based perspective.
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