Your Reliable Miniature Circuit Breaker Manufacturer in China
At Etechin, we are proud to be a leading manufacturer of high-quality miniature circuit breakers (MCBs) that prioritize optimal performance and safety. With over 16 years of experience in electrical engineering, our ISO 9001-certified production processes ensure that each MCB meets or exceeds IEC 60898-1 standards, providing peace of mind for our clients.
Our versatile MCBs come in current ratings from 10A to 125A, with options for single, double, triple, and quadruple poles. With a short-circuit breaking capacity of up to 6 kA and various trip characteristics (B, C, and D types), Etechin’s MCBs are designed to protect against overloads and short circuits, making them suitable for both residential and industrial applications.
Engineered for resilience, our MCBs function effectively in ambient temperatures from -35°C to +70°C and feature durable IP20-rated enclosures. With customizable thermal settings and installation options, Etechin ensures seamless integration into your electrical systems. Choose Etechin as your trusted partner for MCBs and experience the difference in quality and support.
Our Miniature Circuit Breaker Collection
Discover our extensive collection of miniature circuit breakers (MCBs), meticulously designed to offer unparalleled protection and reliability for your electrical systems. Each product in our lineup combines cutting-edge technology with robust performance, ensuring safety in a variety of applications.
Why Choose Etechin MCB?
Choosing Etechin MCBs means investing in safety, reliability, and innovative engineering tailored to meet your needs. Our commitment to quality and performance ensures that you receive the best protection for your electrical systems, no matter the application.










Superior Quality and Compliance
Etechin MCBs are manufactured under strict ISO 9001 guidelines, ensuring the highest quality standards in every product. Our adherence to IEC 60898-1 regulations guarantees that you receive reliable devices that are safe for use in various environments. Trust in our commitment to quality for peace of mind with every installation.


Versatile Product Range
Our diverse collection of miniature circuit breakers includes options for different current ratings and pole configurations, ensuring that you find the perfect fit for your specific application. From residential to industrial needs, our versatile products cater to a wide array of electrical systems. This adaptability allows for seamless integration into both new and existing setups.
Exceptional Performance
Etechin miniature circuit breakers provide impressive short-circuit breaking capacities of up to 6 kA, ensuring effective protection against overloads and short circuits. Our devices are designed to operate efficiently in extreme temperatures, withstanding conditions from -35°C to +70°C. This reliability promotes safety and longevity in your electrical installations.


Customizable Solutions
We understand that each project has unique requirements, which is why our miniature circuit breakers offer customizable thermal settings and installation options. This flexibility enables you to tailor the performance of our products to suit your specific needs. With Etechin, you can create a solution that perfectly aligns with your operational demands.
Comprehensive Support and Expertise
With over 20 years of experience in electrical engineering, our team is equipped to provide expert guidance and support for your miniature circuit breaker selections. We pride ourselves on our customer service, ensuring that you receive the assistance you need throughout the purchasing process. Partnering with Etechin means having a reliable ally in your electrical safety journey.

Applications of Our Miniature Circuit Breakers
Our miniature circuit breakers are designed to meet a wide range of applications, providing reliable protection in various environments. From residential homes to industrial facilities, Etechin MCBs ensure the safety and efficiency of electrical systems everywhere. Choose our MCBs to safeguard your equipment and enhance operational reliability, no matter the setting.
Why Choose Etechin as Your Distribution Boards Supplier?
When it comes to selecting a reliable supplier for miniature circuit breakers, Etechin stands out with our commitment to quality, innovation, and customer satisfaction. Our extensive expertise in the electrical industry ensures that you receive not only superior products but also unparalleled support tailored to your needs. Trust Etechin to be your partner in electrical safety, delivering solutions that enhance the reliability and efficiency of your systems.
This Is What Our Clients Said About Us
At Etechin, we pride ourselves on the trust and satisfaction of our clients, who have experienced the quality and reliability of our miniature circuit breakers firsthand. Their feedback not only motivates us to continue our commitment to excellence but also helps potential customers make informed decisions. Discover how our products and services have made a positive impact on their operations.
Let’s Connect on Your Next Project
At Etechin, we believe that collaboration is the key to achieving exceptional results. Whether you’re embarking on a new residential, commercial, or industrial project, our team is here to provide expert guidance and support tailored to your specific needs. Let’s work together to enhance the safety and efficiency of your electrical systems with our high-quality miniature circuit breakers. Reach out today, and let’s turn your vision into reality!
Frequently Asked Questions
We have prepared a list of common FAQs to help you better understand our custom miniature circuit breaker solutions. Below, we address key questions you may encounter when selecting and utilizing our products.


