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This section provides an overview for cubicles as well as their applications and principles. Also, please take a look at the list of 17 cubicle manufacturers and their company rankings. Here are the top-ranked cubicle companies as of January, 2025: 1.OfficeMakers, 2.DAIHEN Corporation, 3.StrongProject Inc..
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Engaged in research on nitride semiconductor growth using the MBE method at Waseda University Graduate School. After graduating from graduate school in 2016, he joined a non-ferrous metal manufacturer.
Engaged in equipment maintenance and engineering work at metal smelting plants. Moved to a chemical manufacturer in 2022. Engaging in similar tasks.
A cubicle is a facility that contains a set of high-voltage power receiving equipment and low-voltage substation equipment.
The voltage of electricity transmitted from a power plant is generally 6,600V, and in most cases, outlets and lighting are powered by 100V or 200V. A cubicle is a metal box containing equipment that steps down the received electricity to the voltage required for the demand facilities.
Generally, a cubicle is installed in facilities that have an electricity supply contract with an electric power company for 50 KW or more.
Cubicles are installed in all kinds of places, including urban areas and residential areas, such as:
Cubicles consist of power receiving equipment, substation equipment, low-voltage equipment, and an enclosure.
Power receiving equipment is the equipment used to accept high-voltage power distribution. It mainly consists of disconnectors and circuit breakers.
When a short circuit or ground fault occurs due to the failure of substation equipment or high-voltage distribution lines in cubicles, a large current flows to the upper circuits of the power company's power grid. If this large current is left unattended, the electric power company's power grid will be cut off for safety, causing a power outage in the surrounding area. This is a spillover accident.
The role of the circuit breaker is to cut off the power supply when it detects an overcurrent or ground fault in the cubicles to prevent a spillover accident. There are two types of circuit breakers in cubicles: PF-S type and CB type.
The PF-S type uses a high-voltage current-limiting fuse (power fuse) and a load break switch, while the CB type uses a circuit breaker and a protective relay, and most of the circuit breakers are vacuum circuit breakers. The PF/S method is inexpensive and used when the power receiving capacity is small, while the CB method is used when the power receiving capacity is large or when the load current is frequently switched.
Transformers are devices that convert the high voltage received into low voltage.
Oil-filled transformers and molded transformers are used as transformers. The upper limit for storage in cubicles is approximately 750 kVA, and a separate installation is required for capacities higher than 750 kVA.
In addition, the use of substation equipment causes the current to slow phase. When the current is slow-phased, losses occur in power transmission and distribution. For this reason, many power company supply contracts include clauses that increase the power factor when the power factor drops and the power factor delayed by the capacitor is brought closer to 1.
Low-voltage equipment is the equipment used to distribute transformed power to various locations. Wiring circuit breakers and ground-fault circuit breakers fall into this category. Depending on the equipment configuration, electromagnetic contactors and electromagnetic switches may be installed inside the cubicles.
The enclosure is an outer metal box to protect the internal equipment. Steel plates of 1 to 3 mm in thickness are mainly used. The outer surface is painted milky white or beige to prevent corrosion and to be pleasing to the eye.
Inside the cubicles, there are parts of the cubicles where the charging section is exposed, which can cause an electric shock if touched without protective measures. There is a risk of electric shock if the inside of cubicles in public facilities is easily penetrated. Door opening/closing handles are often equipped with locks.
Substation equipment and distribution lines have the property of generating heat when electricity is used. If the amount of heat generated is large, there is a risk of heat buildup inside the cubicles, resulting in high temperatures.
*Including some distributors, etc.
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DAIHEN Corporation, established in 1919 and headquartered in Osaka, Japan, is a manufacturer of Power Products, Industrial Robots, and RF/MW Generators & Automatic Matching Units for plasma applications. The company provides an extensive array of products, including Oil-immersed Transformer, Cast Resin Transformer suitable for high buildings, public facilities, and hospitals, Power Distribution Equipment such as closed type power distribution boards and remote monitoring systems, as well as Sensors for Robot Welding and Positioners & Sliders. The company also offers various welding & cutting machines, including TIG Welding Machines, Plasma Cutting Machines, as well as Peripheral Devices for Welding.
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.
Acrastyle Limited, established in 1962 and headquartered in Ulverston, Cumbria, is a designer and manufacturer of power system protection solutions. The company offers a range of engineering services, including CAD design and drafting, installation & commissioning, protection & control design, and site surveys. Its product portfolio includes protection solutions, protection panels & cubicles, Solkor schemes, substation wall boxes, and more. It caters to a wide range of sectors, including energy, transportation, Building & Infrstructure, Utilities, and others. The company has worked with entities such as Electricity North West, Western Power Distribution, Scottish Power, UK Power Networks, ABB, and Network Rail.
Ectricol, established in 1992 and headquartered in Funza, Cundinamarca, is a manufacturer of cells and switchboards. The company's services include electrical power quality studies, testing of protection relays, thermographic inspection, insulation resistance tests, and engineering and programming services. Its products are low- and medium-voltage, integral solutions. It has clients across multiple sectors, including infrastructure, oil and gas, mining, telecommunications, utilities, renewable energies, and more. The company's strength lies in its ability to undertake diverse electrical projects, ranging from the construction of electrical works and networks to the design of medium-voltage networks and substations.
Pragati Electricals, established in 1975 and headquartered in Thane, India, is a manufacturer specializing in instrument transformers and electric equipment. The company's product portfolio includes low-voltage products, medium- and high-voltage outdoor products, medium-voltage indoor products, and metering cubicles. Its major customers in India include switchgear manufacturers such as Siemens, ABB, BHEL, Alstom, and more. It has three manufacturing facilities in Thane, Navi Mumbai, and Murbad, equipped with a winding and taping facility, a testing facility, and CRGO Steel's toroidal core manufacturing facility.
Argen Electric Ltd., established in 2012 and headquartered in Istanbul, Turkiye, operates as a manufacturer and supplier, specializing in capacitor banks, medium/low voltage systems, and various types of breakers. The company's product portfolio includes MV circuit breakers, MV switchgears, LV equipments, power quality products, and more, catering to a range of electrical infrastructure needs. It provides a number of solutions, including active filter, STATCOM, SVC, and harmonic analysis. It is also a partner of ABB and Siemens for medium- and low-voltage systems.
Schneider Electric S.E. is headquartered in Rueil-Malmaison, France, and has been operating since 1836. Schneider Electric provides a number of products and services including electrical car charging, energy management software, surge protection devices, load banks, servers and HMIs, valve and valve actuators, feeder automation, grid automation, and SCADA software products, data center cooling and software, home automation and security, light switches, motion control and robotics, signaling units, solar and energy storage, RFID systems, as well as other hardware, services, and software.
Churitsu Electric Corporation, established in 1927 and based in Japan, is a manufacturer of switchboards, distribution and control panels, and panels for solar systems. The company specializes in sheet metal processing and painting, investing in automated machinery for efficiency. It offers fireproof distribution panels for emergency systems in buildings and subways. Its products cater to industries requiring power distribution, control systems, and biotechnology equipment. The company is expanding into biotech, environmental business, and power storage sectors. It enhances product reliability through extensive testing and collaborates on system developments with the genetic center for the Aichi Science and Technology Foundation.
Betsukawa Corporation, founded in 1952 and headquartered in Ishikawa, Japan, is a manufacturer of electric energy distribution services, specifically in the production of switchgear and switchboard apparatus. The company's capabilities extend to the electric design of control systems, including hardware, PLC, and HMI, along with the production of control panels and the wiring of machinery and JIG. It offers an array of products, including high- and low-voltage switchgear, control centers, environmental and sanitation systems, distribution boards, central supervisory control panels, and more.
Kokubu Electric Corp, established in 1946 and headquartered in Shinagawa, Tokyo, is a manufacturer specializing in electrical equipment production, offering switchboards, control panels, and distribution boards. The company's product range features metal-enclosed switchgear, cube-type high-voltage power-receiving units, 20 kV class extra-high-voltage switchboards, as well as solar power generation-related boards, UPS peripheral boards, and more. It serves a diverse clientele, serving central government offices, heavy electrical machinery manufacturers, electrical-equipment construction companies, engineering firms, electrical materials trading houses, and various other industries.
Afrasia Electric, established in 2016 and headquartered in Istanbul, Turkey, operates as a distributor specializing in medium-voltage electricity distribution equipment sourced from large-scale companies. The company's product range includes medium voltage cubicles, aluminum alloy conductors, medium underground voltage cables, MV/LV transformer stations, LV distribution boxes, and more. It also offers after-sales technical support, installation, commissioning, and technical training services. The company has earned a place among the top 1000 companies of the Istanbul Ferrous and Non-Ferrous Metal Exporters Association (IDDMIB) due to its export sales in 2020.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | OfficeMakers |
17.3%
|
| 2 | DAIHEN Corporation |
12.5%
|
| 3 | StrongProject Inc. |
10.6%
|
| 4 | Cubicle By Design |
10.6%
|
| 5 | Acrastyle Limited |
7.7%
|
| 6 | INDUSTRIAS ECTRICOL S.A.S., |
5.8%
|
| 7 | Aflak Office furniture |
4.8%
|
| 8 | Pragati Electricals |
4.8%
|
| 9 | ARGEN ELECTRIC LTD |
4.8%
|
| 10 | Mitsubishi Electric Corporation |
3.8%
|
Derivation Method
The ranking is calculated based on the click share within the cubicle page as of January 2025. 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 (%) |
|---|---|---|
|
Japan
|
5 | 35.7% |
United States of America
|
3 | 21.4% |
|
Turkey
|
2 | 14.3% |
|
United Kingdom
|
1 | 7.1% |
| Colombia | 1 | 7.1% |
|
India
|
1 | 7.1% |
|
France
|
1 | 7.1% |
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