Schweitzer Engineering Laboratories (SEL) serves the power industry worldwide through the design, manufacture, supply and support of products and services for power system protection, monitoring, control, automation, communications and metering. For more than 30 years, SEL has offered unmatched local technical support, a 10‐year, worldwide warranty and a commitment to making electric power safer, more reliable and more economical.
“In many cases, you have only 15 minutes before you would have to evacuate a mine section if an electric power system goes down.”




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