This article will introduce China’s top 6 circuit breaker manufacturers from the company’s introduction, focus areas and representative products. After reading this article, you will have more understanding and choice of China’s circuit breaker brands!
The circuit breaker manufacturers of China’s top 6 are:
- Nader
- Changshu
- Chint
- Delixi
- Great Wall
- Taiyong
Here are more details about top 6 circuit breaker manufacturers of China’s-
- Nader
Nader is a leading manufacturer of circuit breakers in China, focusing on R&D and manufacturing: Miniature Circuit Breaker (MCB), Moulded Case Circuit Breaker (MCCB), Air Circuit Breaker (ACB) etc. Product family 100+, popular in 5G communications, Data centers, solar energy (photovoltaic), Wind power, New energy vehicles, OEM equipment, Building power distribution etc.
Nader is a company by technology-driven and customer-oriented. 1392 Patents have been obtained; there is 2 digital factories of 260,000 ㎡. Introducing international advanced management and intelligent production lines to ensure High-quality and High-efficiency.
Business are involving in the United States (Cisco, Emerson), Brazil, Spain, Sweden (Ericsson), Finland (Nokia), Germany (Siemens), Italy, South Korea (Samsung), Malaysia and more than 30 countries and regions.
1.2 Nader Products
Nader Miniature Circuit Breaker (MCB / Micro Circuit Breaker)
MCB is the most widely used terminal protection appliance in the introduction of electrical terminal power distribution devices. It is used for single-phase and three-phase short-circuit, overload, overvoltage and other protections not exceeding 125A, including 6 types of 1P, 1P+N, 2P, 3P, 3P+N, 4P, etc. (N is the neutral pole).
Rated current: 1A, 2A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A
Working voltage: AC230V, AC400V, AC415V, DC60V, DC80V, DC125V, DC250V, DC300V, DC500V, DC600V, DC750V, DC1000V, DC1200V
Certificate: CCC, CE, TUV, UL, SAA
Nader Moulded Case Circuit Breaker (MCCB)
MCCB refers to the use of plastic insulators as the casing of the device to isolate the conductors and the grounded metal parts. Molded case circuit breakers usually contain thermal and magnetic trip units, while large models of molded case circuit breakers are equipped with solid state trip sensors. The trip unit is divided into the thermal-magnetic trip and electronic trip. Including 3 types of 2P, 3P, 4P. (pole)
Rated current: 10A, 12.5A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 180A, 200A, 225A, 250A, 315A, 350A, 400A, 500A, 630A, 700A, 800A, 1000A, 1250A.
Working voltage: AC400V, AC415V, AC440V, AC500V, AC550V, AC690V, AC800V, AC1000V, DC250V, DC500V, DC600V, DC750V, DC1000V, DC1200V, DC1500V
Certificate: CCC, CE, TUV, UL
Nader Air Circuit Breaker (ACB)
ACB is a mechanical switching device that can connect, carry and break the current under normal circuit conditions, and can also connect, carry and break current for a certain period under specified abnormal circuit conditions. The frame circuit breaker is used to distribute electric energy and protect the circuit and power equipment from overload, under voltage, short circuit, etc. Including 2 types of 3P, 4P. (pole)
Rated current: 200A, 400A, 630A, 700A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 2900A, 3200A, 4000A, 5000A, 6300A.
Working voltage: 220V, 230V, 380V, 400V, 415V, 440V, 660V, 690V, 800V, 1000V.
Certificate: CCC, CE, TUV, UL
1.3 Nader’s recommendation
Nader takes quality as the basis, regards product quality as dignity, and product quality must match the high-end positioning of the brand. We should carry out all round quality management, build a quality management platform of the whole value chain, continuously optimize the quality management system, set a quality red line, and pursue zero defects. We always adhere to the principle of “quality first”, adheres to management informatization, production automation continuously improves production process quality and production management level. We follow the concept of not accepting non-conforming products, not making nonconforming products, and not selling non-conforming products, to provide customers with high-quality products.
Nader’s production base is located in Pudong New Area, Shanghai, China, which is the largest miniature circuit breakers manufacturer and supplier at the high-end market in China. It’s products not only cover our own needs but also provide OEM services for world-famous electrical appliances manufacturers in Germany, Italy and the United States. And Nader’s second production base in Haiyan, with an investment of CNY1600 million, has started construction on September 21, 2019. Nader will further strengthen the leading position in the field of high-end circuit breakers after the commissioning of the new manufacturing base.
- Changshu
Changshu Switchgear MFG. Co., Ltd. (Former Changshu Switchgear Plant), a national-leading enterprise with state-owned equity, registered capital of 0.38 billion RMB and 1700 staffs, professionally researches, develops and manufactures medium and low voltage power distribution electrical appliances, industrial control products, medium and low voltage complete sets of equipment’s, photovoltaic inverters & power generation equipment’s and intelligent power distribution monitoring system & supporting devices for observation and control, all of which are widely used in the fields of electric power, machinery, mining, metallurgy, petrochemical, construction, shipbuilding, nuclear power and new energy power generation, etc.
Changshu Switchgear insists on independent innovation, continuously improves the innovation platform, and constantly improves the innovation capability. In 2002, the Post-doctoral scientific research workstation was set up. In 2010, an honor of the National Innovative Pilot Enterprise, issued by the National Ministry of Science and Technology, was awarded. In 2011, the National Development and Reform Commission, the Ministry of Science and Technology, the Ministry of Finance, the General Administration of Customs and the State Administration of Taxation jointly recognized the company’s technology center as the National-level Enterprise Technique Center. In 2013, the company was approved to establish the Key laboratory for Research on Key Technology of Intelligent Grid Power Distribution in Jiangsu Province.
2.1 Changshu Products
Intelligent Universal Circuit Breaker
An intelligent universal circuit breaker is used for controlling and protecting low-voltage distribution networks. It is generally installed in low-voltage distribution cabinets to serve as the main switch for the main protection effect. Circuit breakers with a rated current of 1,000A or below can also be used for protecting motors. The product can provide damp and tropical type (TH type), marine type and 1E circuit breakers, circuit breakers with low temperature of up to -40℃, as well as LCD and LED display circuit breakers.
Molded Case Circuit Breaker
Thermo-magnetic CM3 series circuit breakers are equipped with 63A, 100A, 250A, 400A, 630A and 800A housings, with the current of 10A~800A;
The circuit breaker is divided into C type (basic type), L type (standard type), M type (relatively high breaking type) and H type (high breaking type) according to the rated ultimate short-circuit breaking capacity (Icu).
The circuit breaker accords with the following standards:
IEC60947-1 and GB 14048.1 General Provisions of Low-voltage Switch Equipment and Control Equipment
IEC60947-2 and GB 14048.2 Circuit Breaker of Low-voltage Switch Equipment and Control Equipment
IEC60947-4-1 and GB 14048.4 Electromechanical Contactor and Motor Starter (including motor protector) of Low-voltage Switch Equipment and Control Equipment
Miniature Circuit Breaker
The miniature circuit breaker is mainly used for overload, short circuit, overcurrent, voltage loss, under voltage, grounding, leakage, automatic switching of dual power supplies, protection and operation during infrequent starting of motor, etc.
Number of poles: 1P, 2P, 3P, 4P
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A
Rated operational voltage: 230V, 400V
Instantaneous trip current type: B (3In-5In), C (5In-10In), D (10In-20In); C (8In±20%), D (12In±20%)
2.3 Changshu’s recommendation
Changshu Switchgear insists on Quality-first and pays great attention on the quality management of the whole process. Advanced intelligent digital systems and equipment have been brought in for R & D and manufacture management. The company’s testing center has been rewarded the accreditation certificate issued by the China National Accreditation Service for Conformity Assessment. The products have won praise from users and several provincial or ministerial quality awards for their excellent performance and quality. Meanwhile, no claims arise since 1994 when the product quality liability insurance was been covered for all the products.
Changshu Switchgear is committed to providing customers with high-quality electrical products, creating higher value for society and customers and shaping a leading national electrical brand.
- Chint
Founded in 1984, CHINT is a leading global provider of smart energy solutions. It is actively deploying “4+1” industrial sectors including smart electrics, green energy, industrial control and automation, smart home and incubator, forming an integrated whole industry chain of “power generation, storage, transmission, substation, distribution, sales and consumption”. Moreover, it boasts an extensive business network across over 140 countries and regions as well as more than 30,000 employees and an annual sales revenue of over USD 11.4 billion. CHINT has been ranking among China’s Top 500 companies for 18 consecutive years. Its subsidiary, CHINT Electrics is the first company in China with low-voltage electrics as its main business being listed on the A-share market as one of the Top 50 Asian listed companies.
Focusing on the energy system of supply, storage, transmission, distribution, and consumption, CHINT has core businesses of clean energy, energy distribution, big data and energy value-added services. Furthermore, CHINT pillar businesses include photovoltaic equipment, energy storage, power transmission & distribution, low-voltage apparatuses, intelligent terminals, software development and control automation. With developing into a platform-based enterprise, CHINT provides a package of energy solutions for public institutions, industrial & commercial users and end-users, by building a regional smart energy operation ecosphere.
3.1 Chint Products
Miniature Circuit Breaker
- Protection of circuits against short-circuit currents
- Protection of circuits against overload current
- Application in commercial and industrial electrical distribution systems.
Rated current in: 1A, 2. 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Poles: 1P, lP+N, 2P, 3P, 3P+N, 4P
Rated voltage Ue: 230A/400A~240A/415A
Moulded Case Circuit Breaker
The molded case circuit breaker can protect circuits and electric equipment against overload, short circuit or under voltage, and can provide protection of overload, short circuit and under-voltage for the infrequent start of the motor. Products have functions of power distribution protection, motor protection, residual current protection and isolation. The circuit breaker can be installed vertically, installed horizontally and can enter the line from the bottom.
Rated current (A):
125: 16-20-25-32-40-50-63-80-100-125 250: 32-63-100-125-160-180-200-225-250 400: 250-315-350-400 630: 400-500-630 800: 500-630-700-800 1600: 800-1000-1250-1600
Poles: 1P, 2P, 3P, 4P
Working voltage: AC 50/60Hz, with rated voltage AC690V, below, DC system rated voltage DC1000V, and below.
Air Circuit Breaker
ACB is mainly used in the distribution networks for power distribution, and to protect power line and power equipment from various faults such as overload, short circuits, under-voltage and single-phase ground. The circuit breaker is a combination of aesthetic appearance, high breaking capacity, zero flashover and multiple intelligent protection features. It can provide selective protection with accurate operations, to avoid unnecessary blackout and guarantee a reliable power supply.
Rated current (A):
200A, 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A, 6300A
Working voltage: AC 230V, AC 400V, DC 110V, DC 220V
Poles: 1P, 2P, 3P
3.2 Chint’s recommendation
China focus on the development of efficient, reliable, intelligent electrical products and complete sets of equipment, the development of transmission and distribution used to cover the entire chain of electrical storage system solutions for the provision of energy-saving technology, ability.
Focusing on advanced robots, high-tech materials, measurement and control technology equipment, and high-end energy equipment, CHINT aims to form high-end manufacturing capacity, improve the layout of energy and industrial equipment industry chain, and develop the capability of providing integrated equipment manufacturing solutions.
Taking the opportunity of intelligent infrastructure construction and the IoT technologies such as sensing, communication, cloud computing platform and big data analysis technology as the core, CHINT will develop the ability to provide intelligent life and intelligent business system solutions by establishing a new intelligent business ecology.
- Delixi
As the first generation of outstanding private enterprises in China’s reform and opening-up, Delixi Group joined forces with Schneider Electric, a Fortune Global 500 company, for win-win cooperation in a joint venture, Delixi Electric Ltd. (hereinafter referred to as “Delixi Electric” for short) in 2007 after nearly four decades of unremitting efforts with the long-term trust and support of our customers and partners. Our business covers three major fields of power distribution, industrial control automation, and household electrical appliances. Committed to offering cost-effective, efficient, and high-quality products and services, creating a comfortable, beautiful, safe, and intelligent home electrical environment, a professional, safe, reliable, and efficient industrial automation electrical environment for customers in emerging markets around the world, and piloting a new development model for Chinese enterprises in the low-voltage electric industry.
4.1 Delixi Products
Miniature circuit breaker
Miniature circuit breakers are mainly used in circuits with AC 50Hz, rated voltage not exceeding 400V (phase to phase) and rated current of 1A ~ 63A. This series of circuit breakers are equipped with short-circuit protection release and overload protection release, which can provide short-circuit and overload protection.
Rated current (A): 1A~63A
Working voltage (V):
1P：230/400 AC 1P+N：230 AC 2P, 3P, 3P+N, 4P：400 AC
Poles: 1P,1P+N,2P,3P,3P+N,4P
Leakage protection circuit breaker
Residual current operated circuit breaker is mainly used in circuits with AC 50Hz, rated working voltage 230V and rated working current 6A ~ 40A. This series of circuit breakers are equipped with short-circuit protection release, overload protection release and leakage protection release, which can provide short-circuit, overload protection and leakage protection (dz47ple G can also provide overvoltage protection).
Poles: 1P/2P/3P/4P/1P+N/3P+N
Working voltage (V): 230/400 AC
Rated residual operating current (A): 10A，30A, 50A, 75A, 100A, 300A
Surge protective device
A surge protector, also known as a lightning protector, is an electronic device that provides safety protection for various electronic equipment, instruments and communication lines. When the electrical circuit or communication line suddenly generates peak current or voltage due to external interference, the surge protector can conduct shunt in a very short time, to avoid the damage of surge to other equipment in the circuit.
Rated current (A):
200A, 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A, 6300A
Working voltage: 230V
4.2 Delixi’s recommendation
Delixi start with the interests of customers and partners, adheres to the business philosophy of technological innovation, quality assurance, five-star service, and brand drive to build a new ecosystem of the whole electric industry chain. More than 700 first-level dealers, over 60,000 offline stores, multiple online sales platforms and partners, 5 R&D centers, 3 state-level laboratories, 3 major automation industrial production bases, five-star customer service team, 17 domestic logistics centers, dozens of transportation partners, 1 international logistics centers, and partners of four major businesses in Developing country. With consistent and comprehensive branding and propaganda, Strive to create the best in class closed-loop customer experience in the world.
- Tianshui 213 Electrical (Geat Wall Electrical) (GWE)
Tianshui 213 Electrical Apparatus Group Co., Ltd. (formerly tianshui 213 machine tool factory) is the core enterprise of Gansu Electrical Equipment Group Co., Ltd. , Founded in 1969, it is a professional manufacturer of electrical appliances with a long history in China. The company focuses on the research, development, and manufacturing of electrical appliances, and constantly pursues excellent product quality and service quality. It specializes in the research and development, manufacturing and sales of various general and special low-voltage electrical components, intelligent instruments and electrical system equipment.
5.1 Great Wall Products
Miniature circuit breaker
A miniature circuit breaker is applicable to lines with AC 50Hz or 60Hz, rated voltage up to 415V and rated current up to 63A and below. It is used as line facilities for protecting buildings and similar purposes. At the same time, it also has an isolation function. The circuit breaker can be equipped with electrical accessories such as auxiliary contact, alarm contact and shunt release to provide auxiliary signal and realize long-distance breaking of the circuit breaker
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Poles: 1P, 2P, 3P, 4P
Certificate: CCC, CE, TUV, RoHS
Residual current operated circuit breaker
Residual current operated circuit breaker is a leakage protection caused by indirect personal electric shock and equipment insulation fault, and plays a protective role for overload and short circuit of the line. Under normal conditions, it is also used for infrequent line conversion and infrequent motor startup.
Rated current: 1A, 3A, 6A, 10A, 16A, 20A, 32A, 40A, 50A, 63A
Poles: 1P+N, 2P, 3P+N, 4P
Certificate: CCC, RoHS
Disconnect Switch
Isolating switch (Disconnect Switch) is a kind of switching device mainly used for “isolating power supply, switching operation, connecting and cutting off small current circuit”, without arc extinguishing function.
Rated current: 32A, 63A, 100A, 125A
Poles: 1P, 2P, 3P, 4P
Certificate: CCC, RoHS
5.2 Great Wall’s recommendation
“213” trademark was identified as “China well-known trademark”, the technology center of Tianshui 213 Electrical Apparatus Group Co., Ltd. was identified as “state-level enterprise technology center”, the company was awarded the China building electrical top ten brands, China quality credit enterprise, one of China electrical equipment industry 100 strong company , China electrical equipment industry “quality trustworthy product”, to abide by the contract and trustworthy enterprises in Gansu province, Gansu province high and new technology enterprise, advanced enterprise with technology innovation in Gansu, one of top ten enterprises in Tianshui.
- Taiyong Changzheng (TYT) (Longmarch)
TYT Taiyong Long March focuses on the medium and high-end market of medium and low-voltage electrical appliances industry, adheres to independent innovation and R & D, actively creates a leading low-voltage electrical appliances Test Center, builds a perfect experiment and test platform, grasps a number of core patented technologies of medium and low-voltage electrical appliances, and leads or participates in the preparation and revision of a number of national and industrial standards. At the same time, TYT Taiyong Long March has successively won many honors, such as “the most influential brand in China’s electrical industry”, “the top ten well-known brands with excellent quality in China’s high and low voltage switchgear industry”, “excellent brand of independent innovation in Guizhou Province”, “innovative enterprise in Guizhou Province”.
6.1 Taiyong Products
Miniature circuit breaker
The miniature circuit breaker is applicable to the distribution system with AC 50 / 60Hz, rated current of 1 ~ 63A and rated voltage of 400V and below, and is used for overload and short circuit protection. This series has DPN and residual operating current circuit breaker options. It can be widely used in rail transit, data communication, energy industry, public buildings and other key industries.
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Poles: 1P, 2P, 3P, 4P
Certificate: CCC, CE
Molded case circuit breaker
Molded case circuit breaker is suitable for low-voltage power supply with AC 50 / 60Hz, rated insulation voltage 800V, setting current 16A ~ 800A and rated operating voltage 400V. Because the circuit breaker is equipped with intelligent release, it not only increases the selection range of setting current, but also has three-stage protection functions of overload ⻓ delay, short-circuit short-time delay and short-circuit instantaneous. Add communication module accessories to realize communication function
Rated current: 32A, 63A, 100A, 250A, 400A, 630A, 800A
Poles: 3P, 4P
Certificate: CCC, CE
Air circuit breaker
The frame circuit breaker is applicable to the distribution network with AC 50 / 60Hz, rated current up to 7500a and rated voltage of AC400 / 690V. It is used to distribute electric energy, protect lines, and power equipment from overload, under voltage, short circuit, single-phase grounding fault and other hazards. The series has comprehensive intelligent control and protection functions, high-precision selective protection and improved power supply reliability; the whole series has power monitoring and “four remote” functions. It can be widely used in rail transit, data communication, energy industry, public buildings and other key industries.
Rated current (A): 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 2900A, 3200A, 3600A, 4000A, 5000A, 6300A, 7500A
Poles: 3P, 4P
Certificate: CCC, CE
6.2 Taiyong’s recommendation
TYT Taiyong long march always adheres to the enterprise spirit of “democracy, pragmatism, innovation and win-win”, adheres to the enterprise mission of “let electric change human life and make energy efficient serve the society”, adheres to innovation driven, takes the “eco” sustainable development strategy as the support, constantly gives full play to the industry leading advantages, and continues to realize digital transformation and carbon neutrality for global power users Carbon peak strategy empowerment.
Summary
The above is the recommendation and related product descriptions of 6 famous circuit breaker manufacturers in China in 2021. The products of these six manufacturers are widely used in various industries. Many of them have been certified by the international or European Union. Concerning COVID-19, China has established strict and good epidemic prevention and treatment processes, and all activities, production and production activities are orderly. It can supply circuit breakers and related products stably.
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