Schweitzer Engineering Laboratories (SEL)
At SEL we invent, design, and build protection, automation, communication and control products and provide Engineering services that protect power grids around the world. Our technology prevents blackouts and enables customers to improve power system reliability and safety at a reduced cost. Our mission is simple: to make electric power safer, more reliable, and more economical. All SEL products have an operating temperature range of -40 to +85 degrees Celsius and come with a 10 year world wide warrantee.
Products and Services
Automation & Control Products
Power Management Systems
Worldwide ten-year warranty.
Free support for the life of every SEL product.
Support centers close to our customers around the world.