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This section provides an overview for medium voltage switchgears as well as their applications and principles. Also, please take a look at the list of 35 medium voltage switchgear manufacturers and their company rankings. Here are the top-ranked medium voltage switchgear companies as of December, 2024: 1.Cordyne, Inc., 2.States Manufacturing Corporation, 3.DOHO.
Table of Contents
Medium voltage switchgear refers to a pivotal piece of equipment within electrical power systems, designed to operate at voltage levels typically between 1 kV and 52 kV. This range categorizes it as suitable for medium-voltage applications, bridging the gap between low-voltage and high-voltage power systems.
The core components of medium voltage switchgear include circuit breakers, which are essential for interrupting current flow in the event of a fault; disconnectors and contactors for isolating and controlling power flow; and current and voltage transformers for monitoring and protection purposes. These components work in concert to detect and respond to abnormal conditions such as overcurrents and short circuits, thereby safeguarding the power network from damage.
In addition to its protective functions, modern medium voltage switchgear can be equipped with remote monitoring and control capabilities, enabling operators to oversee and manage the power network more effectively from a distance. This integration enhances operational efficiency and facilitates the timely response to any system anomalies.
As a fundamental component of power transmission and distribution networks, medium voltage switchgear plays critical roles in controlling the flow of electrical power, protecting infrastructure from potential damage, and ensuring the continuous monitoring of system conditions. Its reliability and advanced functionality are indispensable for the stable and efficient operation of the broader power infrastructure, making it a key asset in the delivery of electrical energy.
*Including some distributors, etc.
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States Manufacturing Corporation, located in Champlin, MN, has been a manufacturer of custom electrical and metal products since 1924. The company produces low-voltage and high-voltage equipment, such as termination cabinets, metal-clad switch gears, pad mount primary meterings, and enclosed switch gears for the food processing, traffic management, power production, metal fabrication, and audio equipment industries. The company also provides services, such as equipment retrofits, engineering, and painting for the finishing process.
Cordyne, Inc., established in 1987 and based in Houston, TX, USA, is a manufacturer and supplier of industrial control systems. The company's product range includes motor starters like the ES4\CS4 series, ENS4\CNS4 series, ESX-K\CSX-K series, and ES4XP\CS4XP series. These products are used in enhancing control of various machinery and equipment. The company serves industries such as alternative energy, automation, commercial construction, food & beverage, and industrial machinery. Its services include manufacturing, distribution, field service, engineering, and motor starter setups.
Zhejiang Zhegui Electric Co. Ltd. is a Chinese electrical products manufacturer that was established in 2013 in Zhejiang. The company’s product lineup includes load break switches, indoor dry type transformers, vacuum circuit breakers, and prefabricated power distribution units for installation in different environments. It also offers OEM and ODM capabilities, as well as after-sales services such as technical support and product maintenance. The company chiefly serves clients in power generation and transmission, as well as in the renewable energy, infrastructure, and commercial sectors.
Zhejiang Volcano Electrical Technology Co., Ltd., established in 2000 with headquarters in China, is a manufacturer of high-voltage disconnectors and switches. The company's extensive product line includes vacuum circuit breakers, auto-reclosers, disconnectors, load break switches, and switchgear. These products are used in infrastructure-scale, industrial-scale, and processing and manufacturing plant-scale high-voltage electrical power supply and distribution systems. The company also offers consulting for integrated power supply and distribution systems as well as installation services.
Fuji Electric FA Components & Systems Co., Ltd., established in 2008, the company is a result of a merger between Fuji Electric FA Components & Systems and the Japanese arm of Schneider Electric S.A., the second largest manufacturer in the same field, is a manufacturer of control instruments, such as electromagnetic switches that use electromagnets to open and close the contact points of electrical circuits. The company have a global presence, offering many power-receiving and distributing devices that can be used in cross-border markets through its wide range of products that conform to major standards in the world.
CNC Electric Group is a company that was established in the year 1988 and is based in Yueqing, Zhejiang, China. The company is a manufacturer of industrial appliances. They manufacture low voltage electrical products, power transmission and distribution equipment, DC series, and explosion-proof products. Additionally, they provide residential and commercial solutions, as well as industry, construction, and data center solutions. This company has certifications in ISO 9001, ISO 14001, CCC, OHSAS 18001, CE, CB, and SEMKO.
Wenzhou Rockwill Electric Co. Ltd., a subsidiary of Rockwill T & D Group, headquartered in Wenzhou City, Zhejiang, China, has been a manufacturer of electrical products since 2008. The company's product line includes outdoor switchgears, digital power stations, and EV chargers. Its main products include auto reclosers and load break switches, vacuum circuit breakers, and ring main units. The company specializes in research and development of electrical products and it also serves as a contractor.
Orecco is a professional manufacturer of electric power distribution and transmission solutions headquartered in Zhejiang Province, China. The company’s product line includes ring main units, outdoor and indoor vacuum circuit breakers, electrical distribution transformers, prefabricated compact substations, and SF6 gas-insulated substations. It operates with six member factories, advanced equipment, and a qualified team of engineers. The company’s products are developed and manufactured to meet IEC requirements and other international standards and are used in diverse applications, including power plants, substations, industrial facilities, commercial buildings, and residential areas.
Mitsubishi Electric was established in Japan in 1921 and headquartered in Tokyo. The company’s Semiconductors & Devices division is a manufacturer of products serving several industries ranging from home appliances and automotive to renewable energy and optical fiber communication. The company’s products are divided into 4 product segments: power devices, high-frequency devices, optical devices, and infrared sensors. Power devices encompass motion controls, most home appliances, and SiC applications. High-frequency devices include satellite communications systems, radios, and base transceiver stations. Optical devices include projector light sources and optical fiber communication. Infrared sensing systems include MeIDIR thermal sensors.
Siemens began in 1847 and is headquartered in Munich, Germany. Siemens focuses in automation and digitalization technology and operates globally. Siemens’s 5 operating segments are digital industries, smart infrastructure, mobility, Siemens Healthineers, and Siemens Financial Services. Siemens Financial Services provides debt and equity investment as well as financing solutions. Siemens Healthineers is a medical devices company that provides products and consulting. Mobility includes passenger and freight transportation. Smart infrastructure includes full solutions for electrification. Digital industries offer both software and hardware for industries and production efficiency.
WEG S.A. is an ISO 9001-certified manufacturer of industrial engineering products founded in 1961 and based in Jaraguá do Sul, Brazil. The company produces equipment and products for power generation, control, and coating metal or wood. These include powder coatings for decorative or protective purposes, gas turbines, and dry-type transformers. The company primarily serves clients in the oil and gas, wastewater processing, and mining industries. It also offers maintenance, engineering, and automation services to its customers.
CAHORS is a developer and manufacturer of energy distribution and telecommunication networks established in France in 1910. The company offers products and services for the energy sector, including electrical distribution and automation networks, renewable energy integration, electrical equipment for infrastructure and transport, smart grids, telecom-TV, gas and water meters, and urban equipment. It also offers additional support services such as training, auditing, maintenance, and cybersecurity. The company’s equipment and solutions are ISO-certified and customized for medium- and low-voltage electricity distribution networks, serving both public and private sectors, from transformer substations to residential electricity distribution.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Cordyne, Inc. |
6.5%
|
| 2 | States Manufacturing Corporation |
5.2%
|
| 3 | DOHO |
5.0%
|
| 4 | CAHORS |
5.0%
|
| 5 | Volta LLC |
4.7%
|
| 6 | JST Power Equipment, INC. |
4.7%
|
| 7 | RWW Engineering Ltd |
4.5%
|
| 8 | Efacec |
3.9%
|
| 9 | Trayer Engineering Corporation |
3.9%
|
| 10 | JAGG Electrical and Control |
3.9%
|
Derivation Method
The ranking is calculated based on the click share within the medium voltage switchgear page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
7 | 50.0% |
|
United States of America
|
3 | 21.4% |
|
Japan
|
2 | 14.3% |
|
Germany
|
1 | 7.1% |
Switzerland
|
1 | 7.1% |
