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 of America
- Transmission Protection
- Industrial Protection
- Generation Operations
- Distribution Protection
- Regulatory Compliance
- Cybersecurity
- Asset Management
- Automation Operations
- Wireless Communications
- Wide-Area Networks
- Fault Indicators and Sensors
- Distribution Control
- Transmission Control
- Generation Control
- Transceivers
- Power System Automation
- Generation Protection
- Transmission Operations
- Industrial Control
- Local-Area Networks
- Layered Cybersecurity
- Control Center
- Revenue Metering
- Automation Control
-
product
Wireless Communications
Schweitzer Engineering Laboratories, Inc.
Wireless communications extend networks in areas where communications wires are not available or cost-prohibitive.
-
product
Annunciation
Schweitzer Engineering Laboratories, Inc.
Annunciators provide local and remote notification to improve situational awareness, efficiency, and safety.
-
product
Auditability
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
-
product
Revenue Metering
Schweitzer Engineering Laboratories, Inc.
SEL revenue meters offer bidirectional, full four-quadrant, and high-accuracy energy metering for generation, interchange, transmission, distribution, or industrial applications. They are also scalable for your application. Combining meters with SEL software provides a complete metering data management solution that allows you to optimize your power system by trending energy usage, identifying peak demands, and helping locate power quality disturbances.
-
product
Switchgear Protection
Schweitzer Engineering Laboratories, Inc.
Bus protection products and systems provide complete primary and backup protection for all types of bus and switchgear arrangements. They are suited for use in industrial- and commercial-scale facilities.
-
product
Panels And Enclosures
Schweitzer Engineering Laboratories, Inc.
SEL panels and enclosures offer advanced protection, control, automation, and communications solutions, all at varying levels of customization. Select from ship-from-stock or configure-to-order panels for expedited lead times, or partner with Engineering Services to develop your own custom panel or enclosure.
-
product
Current Differential and Overcurrent Relay
SEL-387
Schweitzer Engineering Laboratories, Inc.
Protect and control any two-, three-, or four-winding power transformer with the SEL-387, which provides thermal and through-fault monitoring, and with SELogic Control Equations, can detect breaker failure.
-
product
Tools And Accessories
Schweitzer Engineering Laboratories, Inc.
A variety of sensors and tools that can improve distribution system understanding and troubleshooting.
-
product
Computers And Automation Controllers
Schweitzer Engineering Laboratories, Inc.
SEL offers powerful, rugged computers and automation controllers designed for the most demanding utility and industrial applications.
-
product
Transmission Operations
Schweitzer Engineering Laboratories, Inc.
The safe and efficient operation of transmission facilities requires that critical information be sent to SCADA and system operators. With this knowledge, they can respond quickly and appropriately to power system events.
-
product
Transformer Protection
Schweitzer Engineering Laboratories, Inc.
Transformer protection products and systems provide complete primary and backup protection for all types of transformer faults. They are suited for use in utility-, industrial-, and commercial-scale power transformer systems.
-
product
Field Ground Module
SEL-2664
Schweitzer Engineering Laboratories, Inc.
Add the SEL-2664 Field Ground Module to the SEL-300G or SEL-700G to protect all the critical components in your generator with one comprehensive relay. Or, add the SEL-2664 to the SEL-2664S to complete ground fault protection on both the rotor and stator.
-
product
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.
-
product
Encryption
Schweitzer Engineering Laboratories, Inc.
SEL communications devices encrypt data streams for security.
-
product
Overhead Enhanced Protection
Schweitzer Engineering Laboratories, Inc.
These products enhance distribution protection by helping relays make better tripping and reclosing decisions based on the location of a fault.