Schweitzer Engineering Laboratories, Inc.
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.
- 509.332.1890
- 509.332.7990
- info@selinc.com
- 2350 NE Hopkins Court
Pullman, WA 99163
United States
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Security Devices
Schweitzer Engineering Laboratories, Inc.
Security devices protect perimeters and secure communications within LANs.
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Distribution Operations
Schweitzer Engineering Laboratories, Inc.
SEL provides tools that work with protection and control relays to improve your system’s visualization and dynamic response—while still maintaining performance, situational awareness, and efficiency.
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Digital Secondary Systems
Schweitzer Engineering Laboratories, Inc.
SEL digital secondary system solutions (sometimes called digital substation solutions) help protect and control substation primary equipment using digital devices in the secondary system that transmit data via fiber-optic cables. Our flexible, scalable, and economical solutions are built with rugged, field-tested hardware that can withstand harsh environments. Select from two solutions:
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Transmission Protection
Schweitzer Engineering Laboratories, Inc.
SEL transmission protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.
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Generator Relay
SEL-300G
Schweitzer Engineering Laboratories, Inc.
Apply the SEL-300G Relay for comprehensive primary and backup generator protection.
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Wireless Devices
Schweitzer Engineering Laboratories, Inc.
Wireless devices use radio signals to communicate and pass data over the air, eliminating the need for traditional cabling.
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Auditability
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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Feeder Protection
Schweitzer Engineering Laboratories, Inc.
Feeder protection improves the safety and reliability of your distribution feeder system by combining complete primary and backup protection with comprehensive overcurrent and arc-flash protection capabilities. These devices are suited for use in utility-, industrial-, and commercial-scale power systems.
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Control Center
Schweitzer Engineering Laboratories, Inc.
The essential elements in the reliable operation of the bulk electric system (BES) are control centers that continuously monitor and control generation and transmission power flows. Visualization, situational awareness, and analytic software help ensure that control center personnel always know what is happening with the BES.
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Distribution Protection
Schweitzer Engineering Laboratories, Inc.
SEL distribution protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.
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Configuration Software
Schweitzer Engineering Laboratories, Inc.
Optimize the configuration and management of device and system settings with SEL configuration software.
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Capacitor Bank Protection
Schweitzer Engineering Laboratories, Inc.
Capacitor bank protection products and systems provide complete primary and backup protection for all types of capacitor configurations.
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Underground Fault Location
Schweitzer Engineering Laboratories, Inc.
Underground faulted circuit indicators identify the faulted cable section without a time-consuming re-fuse and sectionalize process. Applications include subsurface or pad-mounted transformers, switchgear, sectionalizing cabinets, junction boxes, and splices.
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Remote I/O
Schweitzer Engineering Laboratories, Inc.
Remote I/O modules transfer data from remote locations over fiber and expand the I/O of SEL relays, automation controllers, and other devices without modification to the control panel face.
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Distributed Generation
Schweitzer Engineering Laboratories, Inc.
SEL solutions provide protection, communications, control, and metering equipment ideally suited for renewable energy and distributed power generation.
