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This section provides an overview for electrical breaker panels as well as their applications and principles. Also, please take a look at the list of 10 electrical breaker panel manufacturers and their company rankings. Here are the top-ranked electrical breaker panel companies as of February, 2025: 1.Paneltronics, 2.Leviton Manufacturing Co., Inc., 3.Ace Hardware.
Table of Contents
An electrical breaker panel is a device that distributes electricity to the point of demand.
Generally, they are installed indoors, but depending on the specifications, they may also be installed outdoors.
When an overcurrent or leakage current occurs on the load side, the power supply is cut off to prevent fire or electric shock.
Electrical breaker panels are widely used in homes and factories.
In homes, they are installed to supply power to electrical outlets and lighting. You may have experienced a breaker tripping when using a hair dryer or microwave oven simultaneously. Electrical breaker panels house the breakers.
They are also installed in factories to supply power to low-voltage equipment. The application is the same regardless of where it is used. When an abnormality such as an overcurrent or ground fault occurs on the load side, the power supply is cut off to prevent fire or electric shock accidents.
Electrical breaker panels consist of bus bars, breakers, and outer boxes.
The power received from the power company's transmission lines is branched by the bus bars. Each of the branched power supplies is input to a breaker for overcurrent protection. The purpose of connecting to the breaker is to cut off the power when the outlet on the secondary side is overloaded. To prevent electric shock from touching the inside of the distribution board, a robust outer box protects the charging part.
A breaker is a device that interrupts the power supply when the current exceeds the rated value. When the load current exceeds the rated current, the power supply is cut off to prevent damage to outlets and equipment. A painted iron box or insulating resin is used for the outer box.
There are three types of breakers used in electrical breaker panels: ampere breakers, ground-fault breakers, and safety breakers.
The ampere breaker is an interrupting device that operates when there is an overload in the entire system. It shuts down when the power usage exceeds the contracted amperage with the power company. When this breaker shuts off, the amount of electricity used must be reduced by limiting the equipment used.
A safety breaker is an interrupting device that operates if an overcurrent flows in one circuit. When this breaker shuts down, it is necessary to reduce the amount of electricity used by restricting the equipment used in the compartment that the breaker is responsible for.
A ground-fault circuit breaker is an interrupting device that interrupts the circuit when it detects a ground fault and prevents disasters such as electric shock. Earth leakage breakers include equipment dedicated to earth leakage functions and equipment that also serves as overload protection. It is generally used for overload protection, but care must be taken when selecting.
When a problem occurs with electrical breaker panels, it is necessary to repair the internal parts of the panel. Examples of problems and countermeasures are listed below:
1. When the electrical breaker panels are overheating:
The cause is a loosened screw in the charging section. Check the external appearance and retighten the screws. If the resin box is deformed due to heat, replace the outer box.
2. When the electrical breaker panels' outer box is damaged:
If the electrical breaker panels' outer box is made of resin, it may be damaged by impact.
3. Malfunction of the earth leakage breaker or safety breaker:
Leakage breakers and safety breakers may trip due to deterioration over time. In this case, replace the breaker and repair the electrical breaker panels.
4. Disturbance of power supplied to load equipment:
If the power supply is unstable, it may be caused by a loose charging part. Although retightening may restore the power supply, it is also necessary to consider abnormalities in connecting components such as outlets.
When repairing the inside of electrical breaker panels, it is necessary to take sufficient safety measures, such as cutting off the power supply. If you are not familiar with handling electricity, it is safer to request maintenance from a specialized contractor.
*Including some distributors, etc.
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Intelligent Lighting Controls, Inc., a company established in 1990, is based in Edina, Minnesota, as a manufacturer of lighting control systems. It specializes in manufacturing automation lighting controls, sensor control panels, digital switches, and daylight sensors. Each of its manufactured products is in compliance with the Buy American regulations for the American Recovery and Reinvestment Act of 2009 provisions. It caters to residential, electrical, and lighting sectors across the USA. The company is part of Signify, a lighting corporation based in Eindhoven, North Brabant. It also has partnered with American Airlines Arena for electrical installations.
LA Marche MFG, located in Des Plaines, Illinois, United States, established in 1945, and is a manufacturer of power conversion products and solutions. The company designs, manufactures, and tests its products in-house, emphasizing control and quality throughout the development process. It provides a comprehensive line of power conversion products, encompassing industrial battery chargers, rectifiers, power supplies, inverters, and related solutions, catering to diverse electrical power needs. It is a Woma Small Business and an ISO 9001:2015-certified manufacturer which includes 100% functional testing for every La Marche product.
Paneltronics, a company established in 1979, based in Hialeah Gardens, Florida, USA, is a manufacturer and distributor of electrical control panels and instruments. The company’s products for various marine and industrial applications such as power distribution, circuit protection, monitoring, and automation. It has a range of products such as AC/DC panels, digital meters, analog meters, switches, breakers, and indicators. These products are designed to operate with quality, durability, and safety. It is an important supplier of electrical control panels and instruments in the US and abroad.
Leviton Manufacturing Co., Inc., founded in Melville, New York, in 1906 is a manufacturer of electrical wiring devices, security and home automation and commercial data infrastructure products. The company's product portfolio includes Circuit Breakers, Smart Circuit Breakers, Covers and Doors, Smart Dimmer Switches and Fan Speed Controller. the company serves markets including Automotive and Electric Vehicles, Renewable Energy and Energy Storage and Electronics and IT Infrastructure. The company also provides services including national distribution, product selection, installation, preventative maintenance, troubleshooting, repair and customer service.
Haldex was launched in 1887 in Kansas City, MO, and is a manufacturer and supplier of brake systems and air suspension equipment for improving the safety and durability of heavy buses, trailers, and trucks. The company makes brake adjusters for drum brakes and actuators, disk brakes, valves, compressed air dryers, EBS, and ABS. It has several production units in countries such as the USA, Mexico, Hungary, China, and Brazil. The company also supplyies spare parts to dealers, distributors, car owners, and service centers
PSI Power & Controls was established in 1961 and is based in Charlotte, United States as manufacturer and distributor of electrical control panels and emergency power products intended for entertainment, hospitality, retail, grocery and industrial businesses. The company's range of products includes control panels, low and medium-voltage starters, VFD panels, power-meter equipment, transfer switches and generator tap boxes and compressor and power meter, thereby provides the clients with on-time delivery at competitive prices.
Blue Sea Systems, founded in 1992 and headquartered in Bellingham, Washington, United States, is a manufacturer of emergency vehicle electrical components and systems. The company offers over 1,000 electric products, including battery switches, automatic charging relays, and power post connectors. Its products are used in boat electrical systems and emergency vehicle electrical systems, such as fire trucks, among other specialty vehicle applications. It also provides complete vessel monitoring systems. Its products are available through a network of dealers, retailers, and tech installers worldwide.
Ace Hardware, established in 1924 under the name Ace Stores, is an American hardware distributor with its headquarters located in Oak Brook, Illinois. The company offers a diverse selection of hardware and home improvement products, including building materials, electrical items, power tools, plumbing and garden equipment, and housewares. Ace Hardware operates as a retailer-owned cooperative which allows each store to customize its inventory and services to suit the specific needs of its local community. Ace Hardware received the J.D. Power award for "Highest in Customer Satisfaction with Home Improvement Retail Stores" for the 15th time in 16 years as of 2022.
Ranking as of February 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Paneltronics |
24.3%
|
| 2 | Leviton Manufacturing Co., Inc. |
19.0%
|
| 3 | Ace Hardware |
12.1%
|
| 4 | Intelligent Lighting Controls, Inc. |
11.5%
|
| 5 | LA Marche MFG |
10.9%
|
| 6 | Haldex |
8.1%
|
| 7 | PSI Power & Controls |
5.9%
|
| 8 | Blue Sea Systems |
5.0%
|
| 9 | The Spruce |
3.1%
|
Derivation Method
The ranking is calculated based on the click share within the electrical breaker panel page as of February 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 (%) |
|---|---|---|
|
United States of America
|
6 | 85.7% |
Japan
|
1 | 14.3% |
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