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- Schweitzer Engineering Laboratories
SEL President Dave Whitehead hosts the Schweitzer Drive podcast, where he talks with the entrepreneurs, innovators, and experts who are inventing the future of electric power
- About Schweitzer Engineering Laboratories | SEL
From Ideas to Inventions at Schweitzer Engineering Laboratories At SEL, every product or solution begins as a concept, grounded in innovation and a commitment to quality We bring our ideas to life through rigorous design and meticulous testing
- Contact Us - Schweitzer Engineering Laboratories
Schweitzer Engineering Laboratories, Inc (SEL) 2350 NE Hopkins Court Pullman, WA 99163 - USA Email: info@selinc com Phone: +1 509 332 1890 Fax: +1 509 332 7990 Pullman Campus Map
- Support | Schweitzer Engineering Laboratories
Customer Service Technical Support New Customer Credit Application Education Product Feature Comparisons FAQ Warranty and Support Terms and Conditions Supplier Resources Certifications Corporate Headquarters 2350 NE Hopkins Court Pullman, WA 99163 - USA +1 509 332 1890 +1 509 332 7990 © 2025 Schweitzer Engineering Laboratories, Inc Privacy
- The History of Schweitzer Engineering Laboratories | SEL
In 1982, Edmund O Schweitzer, III, invented the first microprocessor-based digital protective relay The SEL-21 was the culmination of research done for Schweitzer’s doctoral thesis, and it ushered in a new era of power system protection and went on to revolutionize the electric power industry
- company contact - Schweitzer Engineering Laboratories
Find contact information and locations for Schweitzer Engineering Laboratories offices worldwide
- SEL-700G - Schweitzer Engineering Laboratories
Mirrored Bits communications provides fast and reliable relay-to-relay communication CT and PT inputs are located on one card, allowing for more I O in other slots Power supply options include 24–48 Vdc or 110–250 Vdc 110–240 Vac Accelerate firmware downloads via the Ethernet port
- SEL Careers - Schweitzer Engineering Laboratories
Our founder, Dr Edmund O Schweitzer, III, first came to Pullman, Washington, as a PhD student Inspired by his research, he invented the world’s first microprocessor-based digital relay, revolutionizing the power industry and sparking the launch of SEL in 1982
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