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This section provides an overview for motor protectors as well as their applications and principles. Also, please take a look at the list of 9 motor protectors manufacturers and their company rankings. Here are the top-ranked motor protectors companies as of December, 2024: 1.Dongguan Tianrui Electronics Co., Ltd.
Table of Contents
A motor protector is a device engineered to shield motors from overload, overcurrent, and phase failure. It operates by disconnecting the power supply upon detecting any abnormalities, thereby ensuring the motor's safety.
This protection mechanism employs current and temperature detection to identify potential issues such as overloading, excessive current flow, and overheating. These detections are crucial for preventing damage and extending the motor's lifespan.
Utilized across industrial machinery, building services, and transportation systems, motor protectors are indispensable for maintaining operational integrity. They are composed of three primary components: an abnormality detection unit (using current and temperature sensors), a power cutoff system (utilizing relays or circuit breakers), and a display interface (featuring LEDs or LCDs for condition monitoring). The integration of these elements offers robust protection against motor malfunctions, thereby enhancing both safety and reliability in various applications.
*Including some distributors, etc.
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Littlefuse was founded in 1927 and headquartered in the United States. Littlefuse is a diversified industrial technology manufacturing company with customers globally. Littlefuse has products segments which are electronic, industrial, and transportation. Electronic segment products include fuses and fuse accessories, positive temperature coefficient resettable fuses, polymer electrostatic discharge suppressors, and varistors. Transportation products include blade, resettable, and high-current and high-voltage fuses, as well as battery cable protectors; fuses, switches, relays, circuit breakers, and power distribution modules. The Industrial segment offerings include contactors, transformers, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems.
Sensata Technologies was originally founded in 1916 as General Plate Company and is now headquartered in Attleboro, Massachusetts. The company is a developer, manufacturer, and seller of sensors and sensor-rich solutions, electrical protection components, and other products used in automotive, industrial, energy, telecom, and construction industries. The company has 20 product categories including force sensors, tire management solutions, inverters & charges, and pressure sensors.The company’s next generation of products are designed to improve the efficiency of industrial pumps, fuel efficiency in ICE cars and energy efficiency in TVs, and facilitate usage of IoT devices.
Dongguan Tianrui Electronics Co., Ltd, established in 2010 and headquartered in Dongguan City, China, is a manufacturer and supplier of circuit protection components. The company's product portfolio includes automotive fuses, PCB electrical fuse holders, and negative temperature coefficient thermistors. These products find applications in various industries, including electronics manufacturing, industrial automation, and the automotive industry. The company is ISO 9001:2000 certified for its quality management system, with its main markets including the United States, the United Kingdom, and South Korea.
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.
Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Dongguan Tianrui Electronics Co., Ltd |
100.0%
|
Derivation Method
The ranking is calculated based on the click share within the motor protectors 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 (%) |
|---|---|---|
|
United States of America
|
3 | 60.0% |
|
China
|
1 | 20.0% |
|
Germany
|
1 | 20.0% |
