About Schweitzer

Schweitzer Engineering Laboratories (SEL) is a leading manufacturer of protection, control, and automation products for electric power systems worldwide. Established in 1985, SEL's comprehensive portfolio encompasses digital relays, high-performance I/O devices, communication hardware, and software solutions for various applications such as substations, renewable energy systems, and industrial control systems. With a strong focus on innovation, reliability, and customer service, SEL continuously strives to provide advanced solutions to meet the evolving needs of its global clientele.