Consulting, Construction, and Facility Design

Challenging deadlines and unique project requirements are common concerns when building or upgrading power infrastructure.When a need arises, our highly qualified application engineers are available for technical support and training at no cost, so you can optimize your resources and deliver projects on time. By collaborating with engineers who specialize in power system technology, you can streamline the procurement process and receive product support throughout all stages of the project, from system design to commissioning and testing.SEL offers unique advantages as a partner and vendor. We provide over four decades of industry expertise, and we invent, manufacture, and test our devices in the United States to provide a secure and reliable supply chain.Whatever the scale or scope of your project, we offer quality products with unmatched support and provide protection, consulting, and cybersecurity services.

Optimize Project Efficiency Through Partnership

For over 40 years, industries around the world have trusted SEL solutions to protect, manage, and control their power infrastructure. We offer a comprehensive portfolio of products, solutions, and services to assist with your project. Whether you need to address limited resources or tight deadlines, we provide customized guidance and engineering expertise.Explore our key offerings:

SEL offers support and services that can scale with project requirements, from on-demand technical support to implementing and testing device settings, relay logic, and networks to developing complex turnkey solutions.
We offer a comprehensive portfolio of products and solutions built for long-lasting durability and trusted by utilities and industries around the world. Our devices are designed to operate dependably in challenging environments, enduring temperature ranges as wide as –40° to +85°C (–40° to +185°F) and exceeding the industry standards for resistance to humidity, corrosion, shock, electric stress, and electromagnetic interference.
With expert application engineers located around the world, we are ready to help you select and design the right solutions for your next project.
SEL cyber services teams can provide vulnerability assessments, design secure communications networks, and streamline compliance with NERC CIP and other regulatory standards.

Data from decades of field performance verify that SEL devices minimize the need for repairs and replacements, reducing project risks and optimizing long-term performance.

Customer Highlight

Distribution Modernization in Kentucky

Facing increasing energy demands, growing grid complexities, and limited SCADA connectivity, Louisville Gas and Electric Company (LG&E) and Kentucky Utilities Company (KU) partnered with SEL to modernize hundreds of substations and implement advanced automation capabilities.

“Almost everything we’re doing involves Schweitzer products. That gave us some comfort, that we’re having people from the same company help us design and build.”

Tony DurbinManager of Distribution Substation Engineering, Construction, and Maintenance, LG&E and KU

Learn about the solution

Discover the SEL Difference

Ten-Year WarrantySEL backs every product with a worldwide, ten-year warranty. If a product fails under warranty, we’ll repair or replace it at no cost.

The SEL warranty

Custom-Engineered SolutionsSEL solutions solve engineering challenges in industries around the globe. SEL Services can further customize, design, and deliver systems that provide the precise functionality you need.

Learn more about our services and custom solutions

Local Support, Global ExpertiseTechnical support is available at no cost for the entire service life of every SEL product. With application engineers located around the world, we can provide expert support no matter where you are.

SEL quality, reliability, and ongoing support

World-Class ManufacturingWe design and manufacture our devices in factories we own and operate in the U.S.A. We prioritize vertical integration and supply chain security to ensure the quality, reliability, and availability of our products, because we realize how our supply chain affects yours.

Securing the supply chain

Short Lead TimesOthers measure lead time in weeks. SEL measures it in days. We keep lead times down with a robust manufacturing infrastructure, streamlined processes, supply chain risk management, and strategic vertical integration.

Products that ship within ten days