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This section provides an overview for smart relays as well as their applications and principles. Also, please take a look at the list of 13 smart relay manufacturers and their company rankings. Here are the top-ranked smart relay companies as of December, 2024: 1.OMEGA Engineering inc., 2.Honeywell, 3.Omron.
Table of Contents
A smart relay refers to an ultra-compact programmable controller.
A programmable controller is a device that outputs from inputs such as pushbuttons and sensors based on predetermined software.
A smart relay is about as wide as several standard mini-power relays in a row. They are economically advantageous because the control panels that house them can be made smaller. However, they have the disadvantage of having fewer inputs and outputs than general programmable controllers and are less expandable.
Smart relays have only four output points without expansion. As such, they are used more in commercial facilities than in factories or other large industrial equipment.
Smart relays are equipped with weekly time switches and other functions as part of their existing performance. Therefore, they are used to manage lighting, air conditioning, and refrigeration equipment in stores. They could also be used for signal indicators on private roads.
In factories, it can be used for simple devices such as controlling rainwater collection pumps.
Since the software is editable, a wide range of uses of the system can be anticipated.
Smart relays are divided into three parts: a power terminal, an input terminal, an arithmetic unit, and an output terminal.
The power supply specification is selected according to the available power supply.
The input terminal is mainly used to input signals from sensors and push buttons. Both analog and digital signals can be input. For analog input, only voltage input can be selected. For current input, a resistor is connected in parallel to convert it to a voltage input. AC digital input and DC digital input can also be selected depending on the type of smart relays.
The arithmetic part stores and processes the smart relay software. It is the CPU of the programmable controller. The software can be edited both by programming software and by display panel editing. Simple software can be edited on the display panel. Complex software that includes analog signal processing is generally edited by programming software.
The output terminal is the part that outputs digital signals. Transistor output and relay output can be selected according to the type of output device.
*Including some distributors, etc.
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OMEGA Engineering was originally begun in 1962 as a manufacturer of thermocouples and has grown to over 100,000 products for measurement and control of temperature, humidity, pressure, strain force, flow, level pH, and conductivity as well as customer service including data acquisition, electric heating, and custom-engineered products. Additionally, OMEGA offers tools to serve as reference for engineers around the world. OMEGA Engineering serves the aerospace, automotive, wireless, sanitary, test & measurement, process control, power monitoring, environmental, and laboratory markets.
Develco Products S/A, founded in 2007 and headquartered in Aarhus, Denmark, with offices in the USA, is a developer and manufacturer of IoT products. The company's product line includes sensors and alarms, smart plugs, and meter interfaces, as well as a range of software architectures that include cloud integrations, wireless protocols, and software applications for its clients in the security, home care, and energy sectors. It serves original equipment and original design manufacturers as well as producing private label products.
Omron Corporation, started in 1933 and headquartered in Kyoto, Japan, is a manufacturer of automation components, equipment, and systems, and it developed the first contactless proximity switch in 1960. It has four domains, including industrial automation, electronic components, healthcare, and social systems, and it provides products and services in around 120 countries and regions. Some of its products include microsensing devices, access control systems, industrial robots, surveillance cameras, and blood pressure monitors. In 1971, it developed the first online cash machine, and in 1972, it established Japan’s first welfare factory.
Honeywell, founded in 1906, in Wabash, Indiana is manufacturer of automotive parts, building technologies, and performance and safety materials for aerospace, The company's product portfolio includes electronic guidance systems, cockpit instrumentation, lighting, automotive parts, and primary propulsion and secondary power turbine engines. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. Their headquartere is located in Carolina and they have global sales offices and distributions channels.
WEG, founded on 16 September 1961, is the world’s largest manufacturer of commercial and industrial electric motors, gearboxes, automation technologies, power generation equipment, and related equipment. Such products are used in the manufacturing of pumps, compressors, fans, and more. The company started with the motive of manufacturing electric motors, but soon it expanded its services to the manufacturing of electric and electronic components, industrial automation technologies, power and distribution transforms, etc. The company has been awarded various ISO certifications. Different companies, including PAUMAR, GEREMIA and 16 more, are affiliated with the WEG group.
ZenControl, established in 2006 in Syndey, Australia, is a global manufacturer and distributor of automated lighting and wireless sensor products for commercial, industrial, and public sectors. The company's products include smart lighting controls that adjust brightness in commercial and public buildings, and smart temperature controllers that react to the number of occupants in a room. It also offers complete emergency lighting systems and low-power consumption managed via wireless devices for complete control and automation through its cloud platform. Its registered distributors are located across the globe, and its certified solution providers facilitate direct client consultation.
NHP, established in 1968 and headquartered in Richmond, Victoria, Australia, is a supplier and distributor of electrical and automation products, systems, and solutions. The company operates across Australia and New Zealand, with an array of over 20,000 product lines including industrial electrical products, safety equipment, power distribution drives, motor control drives, and hazardous area equipment. With their supply chain expanding to major sectors like manufacturing, mining, and more, the company’s offerings encompass automation, energy management, industrial control, motor control, and variable speed drives. The company also offers global certificate programs, e-learning courses, virtual coaching, and training workstations.
Finetech Controls Pvt. Ltd., established in 2000 and headquartered in Noida, India, operates as a supplier in the field of industrial automation and process control engineering. The company offers a range of products, including e-stop switches, high-voltage AC/DC switches and isolators, industrial controllers, thermister power regulators, and more. It is an authorized distributor and channel partner for various companies, including Idec Izumi Japan, Qlight Korea, Hanyoung Korea, Kraus & Naimer, Pepperl & Fuchs, and others. The company's customer base includes names like Nissan, Honda, Ashok Leyland, Samsung, and more.
Pixsys Electronics was established in the early 1990s and is headquartered in Pianiga near Padua, Italy. The company services industrial sectors such as railway, water treatment, plastics, and refrigeration to customers globally. The company’s hardware components include controllers, terminals, converters, sensors, and others. The company also provides software tools for monitoring hardware performance. The company also sells a multizone monitoring and recording system called iModView and a graphic datalogger called iTrendView.
Altech Corporation, founded in 1984 and headquartered in Flemington, New Jersey, is a supplier and distributor of electronic and control components and is ISO 9001 certified. The company provides a broad line of products, including programmable controllers, monitoring relays, and terminal blocks, used in instrumentation, industrial control, and automation applications. The company’s enclosed disconnect switches are available in different materials like stainless steel, plastic, and aluminum and have a use rating of 16A to 150A/600V AC. The products are all RoHS and REACH compliant and meet diverse national and international standards like IEC, CSA, and UL.
BRODERSEN, established in 1969 in Denmark, is a supplier of industrial process components for the process and automation industries. The company offers different wide products including earth leakage relays, digital multimeters, energy meters, alarm systems, and current and voltage transformers. These components support various industrial automation applications, such as panel builders, machine builders, and industrial process designers and suppliers. BRODERSEN also provides comprehensive services that encompass controls, monitoring, and remote controls for energy producers and consumers. The company aims to offer an optimum technical solution to the market through its advanced technologies.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | OMEGA Engineering inc. |
18.9%
|
| 2 | Honeywell |
14.7%
|
| 3 | Omron |
11.6%
|
| 4 | Develco Products |
7.4%
|
| 5 | Zencontrol |
7.4%
|
| 6 | Finetech Controls Pvt Ltd |
6.3%
|
| 7 | WEG Electric Corp. |
6.3%
|
| 8 | Magmaa |
5.3%
|
| 9 | NHP |
5.3%
|
| 10 | Brodersen Controls A/S |
5.3%
|
Derivation Method
The ranking is calculated based on the click share within the smart relay 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 (%) |
|---|---|---|
|
Denmark
|
2 | 28.6% |
|
United States of America
|
1 | 14.3% |
Japan
|
1 | 14.3% |
|
Australia
|
1 | 14.3% |
|
India
|
1 | 14.3% |
|
Italy
|
1 | 14.3% |
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