We partner with customers around the world to improve power systems.

Partnership

Quality, integrity, community—our values are behind everything we do.

SEL conducts business following a strong set of core values—quality, customer focus, discipline, communication, integrity, creativity, community, ownership, and dignity of work.

Our Values—More Than Just Words

Since 1984, SEL has grown from 1 employee to more than 6,000 worldwide.

Follow SEL's journey from the first microprocessor-based relay invented in 1982 to our continued innovation on the cutting edge of power system protection.

The History of Schweitzer Engineering Laboratories | SEL

At SEL, shared ownership is a key strategy for sustaining growth, stability, and customer focus. Our employees are our shareholders, so there’s no short-term pressure to achieve quarterly results at the expense of what’s best for our customers or company in the long run.

100% employee-owned

SEL Employee Stock-Ownership is a fully employer-funded retirement plan that allows us access to capital for growth and unique benefits.

SEL Employee Ownership

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CEO Dave Whitehead hosts the Schweitzer Drive podcast, where he talks with the entrepreneurs, innovators, and experts who are inventing the future of electric power. Electricity is fundamental to our daily lives, and yet it’s something so many take for granted. Come learn about, explore, and celebrate electric power on Schweitzer Drive.

Schweitzer Drive podcast

Schweitzer Drive

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SEL and San Diego Gas and Electric partnered to create a falling conductor mitigation solution that de-energizes broken power lines before they reach the ground—minimizing risk of wildfire and other hazardous conditions. 

Partnership and Innovation: Mitigating Wildfire Risk in Southern California

Learn about the partnership and innovation behind fire mitigation and public safety efforts in Southern California. 

Wildfire Mitigation in Southern California

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See how AES Ohio partnered with SEL to improve reliability and update their power system protection and coordination with our innovative Wireless Protection System.

Wireless Protection Communications—Innovating to Improve Reliability

To coordinate its numerous close-proximity recloser controls, AES Ohio implemented a wireless communications solution that transmits fault status at protection speed.

AES Ohio Improves Distribution Reliability With Wireless Protection Communications

LINAM-UFGI

Apply the new LINAM UGFI Underground Fault Indicator throughout your distribution system to reduce outage duration, streamline fault locating processes, and simplify device inventory.

Introducing the SEL LINAM UGFI Underground Fault Indicator

Reduce the duration of outages by streamlining your fault-locating processes. The rugged and submersible LINAM UGFI features a self-adjusting AutoRANGER algorithm and a wide range of fixed-trip options; industry-leading adjacent-phase immunity technology; a battery-free design; and single-hot-stick installation with a universal clamp—so you can deploy it with confidence throughout your distribution system.

Introducing the LINAM UGFI Underground Fault Indicator

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Learn how ELES, a utility in Slovenia, is using operational technology (OT) software-defined networking (SDN) to defend their country’s transmission system.

Defending Critical Substation Communications in Slovenia

Learn how a utility in Slovenia is using operational technology (OT) software-defined networking (SDN) to defend the country's transmission system.

Now hiring for multiple roles

SEL provides complete power system protection, control, monitoring, automation, and integration for utilities and industries worldwide. SEL products, systems, services, and training make electric power safer, more reliable, and more economical.

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Customer service and technical support teams are located in regional offices around the world, ready to help you get the answers and solutions you need.

Wildfire Mitigation in Southern California

Now hiring for multiple roles

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