In the realm of electrical safety and system reliability, UL-certified isolation switches play a pivotal role. These devices ensure safe disconnection of electrical circuits, safeguarding both equipment and personnel. This article explores the top 10 globally renowned manufacturers of UL-certified isolation switches, highlighting their company profiles, flagship products, and unique strengths.
1. HIITIO
Website: www.hiitio.com
Founded in 2018, HIITIO is gradually becoming a leading manufacturer specializing in high-voltage DC electrical devices for new energy industries, including electric vehicles (EVs), solar energy systems, and energy storage applications. With three factories, multiple core product production lines, two robust R&D teams, and well-equipped laboratories, HIITIO ensures a strong supply capability and commitment to innovation.
Key Products
- HCG4 Series Isolation Switches: Designed for low-voltage distribution networks with rated working voltage of DC1000V and DC1500V and rated working current of 160A~2500A.
- DC Isolation Switch: Offers reliable isolation and control for a wide range of applications, achieving multiple certifications including UL, CE, CB, CCC, TUV, and EAC.
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2. Littelfuse Inc.
Website: www.littelfuse.com
Established in 1927 and headquartered in Chicago, Illinois, Littelfuse is a global leader in circuit protection, power control, and sensing technologies. The company operates in over 50 countries, serving a diverse range of industries with innovative solutions.
Key Products
- LS60250 Series: DC disconnect switches rated up to 1500 V DC and 250 A, ideal for solar and energy storage systems.
- LS60400 Series: High-capacity switches with ratings up to 400 A, suitable for demanding applications.
3. Socomec
Website: https://www.socomec.us/en-us
Founded in 1922, Socomec is a French company specializing in electrical equipment, particularly in power switching and monitoring solutions. With a strong global presence, Socomec is known for its innovation and quality.
Key Products
- SIRCO UL 98 C: Non-fusible disconnect switches offering reliable performance and safety.
- FUSERBLOC UL: Fusible disconnect switches designed for high breaking capacity and improved safety.
4. Siemens
Website: https://www.siemens.com/global/en.html
Siemens is a global powerhouse in electrical engineering and electronics, offering a wide range of products and services. With a history spanning over 170 years, Siemens is synonymous with innovation and quality.
Key Products
- RTS Series Bypass/Isolation Switches: UL-tested switches designed for reliable power transfer and isolation in critical applications.
5. Mersen
Website: https://us.mersen.com/en
Mersen, headquartered in France, is a global expert in electrical power and advanced materials. The company provides innovative solutions for electrical protection and control. With a history spanning over a century, Mersen has established itself as a trusted partner in various industries, including energy, transportation, and electronics.
Key Products
- UL98 Fused Switches: Designed for service entrance applications, offering fully rated load-break and load-make capabilities. Modular design and safety features like interlocked fuse doors and double-break mechanisms. Available from 30A to 1200A.
- UL98 Non-Fused Switches: Durable and versatile, suitable for main panel disconnects and electrical isolation. Adjustable shaft depth, internally mounted auxiliary contacts, and compact size.
6. ABB
Website: https://global.abb/group/en
ABB is a Swiss-Swedish multinational corporation specializing in robotics, power, and automation technologies. With operations in over 100 countries, ABB is a key player in the electrical industry, known for its commitment to innovation and sustainability.
Key Products
- OT Series Disconnect Switches: UL-certified switches for safety and reliability in industrial and commercial settings. Features include modular construction, adjustable periscopic shafts, and resistance to extreme conditions.
- Enclosed Manual Motor Controllers and Disconnects: Suitable as motor disconnects, available in various enclosures. Compliant with UL508 and UL98 standards.
7. Schneider Electric
Website: https://www.se.com/us/en/
Schneider Electric is a French multinational company providing energy and automation digital solutions. The company focuses on energy management and sustainability, offering a wide range of products and services to enhance energy efficiency and operational performance.
Key Products
- TeSys Vario Switches: UL-certified isolation switches known for compact design, reliability, and flexible mounting options.
8. Eaton
Website: https://www.eaton.com/us/en-us.html
Eaton is a diversified power management company providing energy-efficient solutions to manage electrical, hydraulic, and mechanical power. With a strong presence in over 175 countries, Eaton is committed to improving the quality of life and the environment through its products and services.
Key Products
- Safety Switches: UL-listed switches for residential, commercial, and industrial applications. Offer reliable performance and enhanced safety features.
9. Legrand
Website: https://www.legrand.us/
Legrand is a global specialist in electrical and digital building infrastructures. The company offers a comprehensive range of products for commercial, industrial, and residential markets, focusing on innovation and sustainability.
Key Products
- Enclosed Disconnect Switches: UL-certified, designed for safety and ease of installation. Available in various configurations.
10. GE Industrial Solutions
Website: https://global.abb/group/en/about/history/heritage-brands/ge-industrial-solutions
GE Industrial Solutions, now part of ABB, has a rich history in providing electrical distribution and control solutions. The company offers a wide range of products designed to meet the needs of industrial and commercial customers.
Key Products
- Spectra Series Switches: UL-listed switches known for durability and performance. Offers a variety of configurations to ensure safety.
Choose HIITIO for Your Isolation Switch Needs
When it comes to reliable and UL-certified isolation switches, HIITIO stands out with its commitment to quality, innovation, and customer satisfaction. HIITIO’s UL-certified isolation switch products are designed to meet the highest safety standards, ensuring optimal performance in various applications. Partner with HIITIO for solutions that combine technical excellence with exceptional service.
