Schweitzer Engineering Laboratories
Newsroom
May 20, 2026
SEL Fault Indicators and Sensors Now Feature the LINAM Name
PULLMAN, Washington—Schweitzer Engineering Laboratories (SEL) announced that its fault indicators and sensors will now feature the LINAM name, unifying the product line under a brand with a 77-year history of innovation in the electric power industry. LINAM fault indicators and sensors are engineered and manufactured with the same commitment to quality and reliability that defines all SEL products.The LINAM legacy began in 1949 when Edmund O. Schweitzer, Jr., introduced his Live Line Ammeter. The brand legacy includes more than 100 patents and decades of proven field performance.LINAM products support overhead, underground and hybrid distribution systems, helping utilities locate and repair faults quickly while reducing installation and maintenance costs. Features such as advanced adjacent-phase immunity technology, wireless communications and battery-free designs simplify deployment, reduce operational expenses and help utility providers meet evolving grid challenges.For more information about LINAM products and technologies, visit selinc.com/linamlegacy.