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
Transformer Protection
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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.
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Product
Generator Protection Relay
SEL-700G
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Schweitzer Engineering Laboratories, Inc.
The SEL-700G is the right solution for utility and industrial generator protection, with an autosynchronizer, flexible I/O, and advanced communications. Apply the SEL-700G for comprehensive primary and backup generator protection.
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Product
SCADA
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Schweitzer Engineering Laboratories, Inc.
SEL SCADA systems offer improved reliability and performance, streamlined access to valuable information, and expanded power system management capabilities.
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Product
Industrial Operations
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Schweitzer Engineering Laboratories, Inc.
Comprehensive power management systems optimize power delivery to minimize production interruptions and save money. SEL power management, process control, and automation products are designed for the conditions common in industrial power systems.
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Product
Line Protection
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Schweitzer Engineering Laboratories, Inc.
SEL transmission line protection relays provide subcycle line differential and multizone distance protection for a secure, reliable, and high-speed solution. Their fault-locating capabilities allow you to efficiently dispatch line crews to quickly isolate line problems and restore service faster.
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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
Electrical Balance Of Plant
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Schweitzer Engineering Laboratories, Inc.
Protecting a generation facility encompasses more than just protecting a generator. Protecting motors, feeders, and station-service equipment is also critical to maintaining plant uptime. By combining SEL solutions, you can do all of that using reliable, field-proven hardware that is suited for use in utility-, industrial-, and commercial-scale power systems.
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Product
Transceivers
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Schweitzer Engineering Laboratories, Inc.
Transceivers convert between copper and fiber optics or between other communications interface standards.
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Product
Power System Automation
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Schweitzer Engineering Laboratories, Inc.
Automate your power system with SEL instrumentation and control devices. Substation automation uses data from IEDs, control and automation capabilities within the substation, and control commands from remote users to control power system devices.
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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
Generation Control
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Schweitzer Engineering Laboratories, Inc.
Safely operating a generating facility requires reliable automation solutions that can integrate with relays, SCADA, and plant controls. With a generation control solution, you will realize operational efficiencies and increased reliability.
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Product
Distributed I/O
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Schweitzer Engineering Laboratories, Inc.
Expand the I/O of SEL relays and communications processors, reduce copper in substations by transferring I/O from remote locations over fiber, and provide electrical isolation to avoid ground paths and induced noise and interference.
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Product
Remote I/O
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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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Product
Tools And Accessories
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Schweitzer Engineering Laboratories, Inc.
A variety of sensors and tools that can improve distribution system understanding and troubleshooting.
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Product
Distribution Operations
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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.















