Schweitzer Engineering Laboratories, Inc.
Is a manufacturer of digital products and systems for the protection, monitoring, control, and automation of electric power systems, including a factory for printed circuit boards that are crucial components for their products. The company designs and builds these systems, which are used in critical infrastructure.
- 509.332.1890
- 509.332.7990
- info@selinc.com
- 2350 NE Hopkins Court
Pullman, WA 99163
United States of America
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Product
Distribution Automation
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Schweitzer Engineering Laboratories, Inc.
Scalable and modular distribution automation solutions help increase system operational efficiency and reduce operating costs.
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Product
Configuration And Visualization Software
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Schweitzer Engineering Laboratories, Inc.
SEL software helps you optimize the configuration and management of your device and system settings. You can also use it to display and analyze relay event data, element operation, and more.
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Product
Converters
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Schweitzer Engineering Laboratories, Inc.
These products convert between various communications interface standards.
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Product
Transmission Control
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Schweitzer Engineering Laboratories, Inc.
Transmission control systems provide flexible local control and SCADA integration for substation and line protection assets, improving your system’s reliability and efficiency.
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Product
Digital Secondary Systems
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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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Product
Underground Fault Location
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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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Product
Transmission Operations
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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.
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Product
Industrial Protection
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Schweitzer Engineering Laboratories, Inc.
Industrial protection solutions provide complete protection for low- and medium-voltage systems. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability. They can easily coordinate with other devices in industrial- and commercial-scale petrochemical, metals and mining, and water and wastewater facilities as well as data centers, hospitals, universities, and more.
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Product
Overhead Fault Location
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Schweitzer Engineering Laboratories, Inc.
Overhead faulted circuit indicators include easy-to-spot displays to help direct line crews to the faulted line sections—enabling faster restoration of power and improved customer uptime.
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Product
Current Differential and Overcurrent Relay
SEL-387
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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.
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Product
Field Ground Module
SEL-2664
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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.
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Product
Security Gateways
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Schweitzer Engineering Laboratories, Inc.
Security gateways combine cybersecurity capabilities to create secure access paths through security perimeters.
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Product
Generation Protection
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Schweitzer Engineering Laboratories, Inc.
SEL generator 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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Product
Audit Support
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Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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Product
Multimode Fiber-Optic Transceivers
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Schweitzer Engineering Laboratories, Inc.
Multimode fiber-optic transceivers convert EIA-232 or EIA-485 serial ports to multimode fiber-optic ports.















