SEL is a globally recognized designer and manufacturer of products and solutions that make electric power safer, more reliable, and more economical.
Legacy
Over forty years after introducing the first digital protective relay, our devices, software, and systems are found in 174 countries around the world.
Customer Focus
From our headquarters in Pullman, Washington, we partner with public utilities and private industry all over the world to offer the industry’s top, 10-year warranty and no-cost technical support for as long as our products remain in service.
Impact
SEL innovations continue to advance the global power grid—modernizing and protecting access to power for an increasingly diverse array of communities and global partners.
Follow us to learn more about the latest innovations and insights in the industry as we make the power grid and the critical devices within it smarter, more sustainable, and more resilient.
DigiKey is the leading global electronic components and automation products distributor, offering unrivaled selection, service, and delivery speed worldwide. We’re your trusted source for electronic components and automation products worldwide.
In the electronics and automation industry, DigiKey distributes the most NPIs. As your one source for engineering innovation, we are committed to adding new suppliers and the latest products from around the globe. DigiKey offers the newest technologies and components for building the machines and devices that will propel industries such as healthcare, automotive, AI, energy, sustainability, 5G, and IoT into the future.
DigiKey accelerates progress for every designer, buyer, and builder. Beyond the products that drive technological innovation, DigiKey provides engineers with abundant digital solutions, tools, and technical content to enhance their work.
Mouser is a worldwide leading authorized distributor of semiconductors and electronic components from over 1,200 manufacturer brands, with local sales and service centers around the globe. We specialize in the rapid introduction of new products and technologies for design engineers and purchasing professionals. Our extensive line card includes semiconductors, interconnects, passives, and electromechanical components.
In 2007, Berkshire Hathaway, Inc., acquired TTI, Inc, which included Mouser Electronics. Today, Buffett's holdings include insurance and finance subsidiaries and businesses ranging from jewelry and furniture to manufactured homes.
With a strong commitment to customer service and quality, we're proud to offer the widest selection of the newest semiconductors and electronic components™ from our industry-leading manufacturer partners.