China is now a global leader in making Miniature Circuit Breakers (MCBs). Chinese companies offer many types of high-quality and affordable MCBs for homes, businesses, and factories. This guide lists the top 10 MCB manufacturers in China. It introduces each company, their main products, and their special strengths. This information helps international buyers choose the right supplier.
1. HIITIO
Website: https://www.hiitio.com/
HIITIO is a fast-growing company that makes high-voltage DC electrical parts. Their products are used in electric vehicles (EVs), solar power systems (PV), and battery energy storage. HIITIO has its own strong research and development team. The company follows international quality standards. It is a trusted supplier of UL489-certified miniature circuit breakers (MCBs) for markets like North America and Europe.
Featured Products
UL489 Miniature Circuit Breakers
Available in 1P, 2P, and 3P configurations. These breakers feature thermal magnetic tripping, DIN rail mounting, and are designed for reliable overload and short circuit protection.
DC Miniature Circuit Breaker
Rated up to 63A at 1000V DC, this breaker is engineered for solar energy systems, terminal power distribution, and residential DC circuits. It offers robust thermal magnetic tripping, fast response time, and complies with global safety standards.
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2. Chint Group Corporation
Website: https://www.chintglobal.com/global/en/home.html
Chint Group Corporation is one of the biggest and most well-known electrical product makers in China. It offers many low-voltage products, such as MCBs, contactors, relays, and smart energy systems.
Featured Products
NB1 Miniature Circuit Breakers
The NB1 series is made for homes and businesses. It uses thermal-magnetic tripping, supports up to 63A, and works with 230/400VAC.
NBH8 UL489 MCB Series
Available in 1P to 3P versions with current ratings up to 63A and breaking capacities up to 10kA.
3. Delixi Electric Co., Ltd.
Website: https://www.delixi-electric.com/en/
Delixi Electric Co., Ltd. is a prominent Chinese manufacturer specializing in low-voltage electrical appliances. Delixi Electric’s business encompasses three major fields: power distribution, industrial control automation, and household electrical.
Featured Products
DZ47 Series Miniature Circuit Breakers
Designed for AC 50/60Hz, rated voltage up to 400V, and rated current up to 63A.
CDB6i Miniature Circuit Breaker
Applicable to AC 50Hz, rated voltage AC 500V, with functions of overload protection, short circuit protection, and control isolation.
CDBH-125 High-Current Circuit Breaker
Designed for applications requiring higher current ratings, offering reliable performance and protection.
4. People Electric Appliance Group Co., Ltd.
Website: https://www.peopleelectric.com/
People Electric Appliance Group Co., Ltd. is a major Chinese manufacturer specializing in both low- and high-voltage electrical appliances. They provide complete system solutions for smart grids, smart manufacturing, smart buildings, industrial systems, smart fire protection, and renewable energy sectors.
Featured Products
RDX6-63 Series Miniature Circuit Breaker
Designed for AC 50/60Hz, rated voltage up to 400V, and rated current up to 63A.
RDX2-125 High Breaking Capacity Miniature Circuit Breaker
Available in 1P to 4P configurations, with breaking capacities up to 10kA.
5. Nader Electric Co., Ltd.
Website: https://www.nader-circuit-breaker.com/
The company focuses on researching, developing, and producing high-quality Miniature Circuit Breakers (MCBs), Molded Case Circuit Breakers (MCCBs), and Air Circuit Breakers (ACBs).
Featured Products
NDB2-63 Series MCBs
These MCBs offer rated currents up to 63A and are available in 1P to 4P configurations. They provide reliable protection against overloads and short circuits.
NDB6AZ-63 Series MCBs
Tailored for DC applications, these breakers support voltage ratings up to 80VDC.
6. TENGEN Electric
Website: https://www.tengenglobal.com/
TENGEN Electric is a modern industrial enterprise that specializes in electrical transmission and distribution equipment, automation solutions, and green energy systems.
Featured Products
TGNB1N-63 Miniature Circuit Breaker
It offers current ratings up to 63A and is compatible with 230/400VAC systems.
TGNB1N-125 Series
Designed for heavier-duty applications, this model supports currents up to 125A and is widely used in distribution panels for energy-intensive facilities.
7. Yueqing Aiso Electric
Website: https://www.aisoelectric.com/
Yueqing Aiso Electric is a fast-growing manufacturer of low-voltage switchgear, circuit breakers, and solar-related electrical protection products.
Featured Products
AISO DC Miniature Circuit Breakers
Engineered specifically for photovoltaic applications, these MCBs feature ratings up to 1000VDC and offer fast-acting short-circuit protection in solar installations.
DZ47-63 MCB Series
Conforming to IEC standards, these breakers are available in 1P to 4P configurations and rated up to 63A.
8. ZJ Beny Electric Co., Ltd.
Website: https://www.zjbenydc.com/
ZJ Beny Electric is a leading manufacturer of DC protection components for solar photovoltaic and battery energy storage systems.
Featured Products
BB1-63 DC MCB Series
These MCBs are rated up to 1000VDC and are suitable for rooftop solar systems, energy storage installations, and DC combiner boxes.
High-Speed PV MCBs
Optimized for solar PV inverters, these compact MCBs offer excellent arc suppression and contact stability for long-term operation under variable load conditions.
9. Wenzhou Korlen Electric Appliances Co., Ltd.
Webiste： https://www.korlen.com
Korlen offers a wide range of products, including Miniature Circuit Breakers (MCBs), Molded Case Circuit Breakers (MCCBs), Residual Current Devices (RCDs), and related components.
Featured Products
KNB1-63 Series MCBs
Designed for AC 50/60Hz circuits with rated voltage up to 400V and current up to 63A.
KNB1-125 Series MCBs
Tailored for higher current applications, offering rated currents up to 125A.
10. Zhejiang KRIPAL Electric Co., Ltd.
Website: https://www.kripal.com/
KRIPAL Electric is a well-known manufacturer with more than 30 years of experience in electrical equipment.
Featured Products
UKB7 MCB Series
These circuit breakers are designed for household and commercial use, with current ratings from 6A to 63A. They come in 1-pole to 4-pole versions and meet IEC60898-1 standards.
Why Choose HIITIO MCBs?
At HIITIO, we know reliable circuit protection is very important in today’s electrical systems. Our MCBs are designed to meet international standards, ensuring safety, durability, and good performance for many uses. We focus on innovation and customer satisfaction, offering solutions tailored to your needs. Choose HIITIO and contact us for high-quality MCBs that provide peace of mind and great value.
