Schweitzer Engineering Laboratories

About Schweitzer Engineering Laboratories

Schweitzer Engineering Laboratories, Inc. (SEL) is a pioneering leader in electric power system solutions, designing and manufacturing cutting-edge products and services that span from generator and transmission protection to comprehensive distribution automation and control systems. Founded in 1982 by visionary engineer Edmund O. Schweitzer III, SEL made history by shipping the world's first digital protective relay, revolutionizing the industry. Today, we continue to drive innovation by developing state-of-the-art embedded system products that protect, monitor, control, and meter electric power systems worldwide, ensuring reliable and efficient power delivery for communities and industries across the globe.

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