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
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
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
Teleprotection
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Schweitzer Engineering Laboratories, Inc.
Teleprotection systems monitor and protect transmission lines using communications-assisted coordination between relays.
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Product
Cybersecurity
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Schweitzer Engineering Laboratories, Inc.
Networks are protected with multiple layers of cybersecurity, including securing access and permissions, detecting malware, encrypting data, and logging events.
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Product
Bay Control
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Schweitzer Engineering Laboratories, Inc.
Integrated bay control systems combine complete bay control with high-speed breaker protection, allowing you to deploy a full substation protection, control, and monitoring solution that is flexible for your application.
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Product
Local-Area Networks
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Schweitzer Engineering Laboratories, Inc.
LAN products support the interconnection of devices in one location to exchange data
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Product
Ethernet Switches
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Schweitzer Engineering Laboratories, Inc.
Ethernet switches provide LAN connectivity in substations, large enclosures, and industrial plants.
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Product
Motor Protection
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Schweitzer Engineering Laboratories, Inc.
Motor protection products and systems provide complete protection for all types of motor faults. They are suited for use in industrial- and commercial-scale facilities.
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Product
Installation Support
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Schweitzer Engineering Laboratories, Inc.
Completing a substation, panel, or a control house requires more than relays. SEL provides contact arc suppressors, linear power supplies, displays, selector switches, panel-mount hardware, bezels, dust covers, cables, and other accessories essential for a successful power system project.
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Product
Security Devices
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Schweitzer Engineering Laboratories, Inc.
Security devices protect perimeters and secure communications within LANs.
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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.
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Product
Downed Conductor Detection
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Schweitzer Engineering Laboratories, Inc.
Downed conductor detection technologies detect many high-impedance faults on a distribution system, improving safety as well as mitigating wildfire risk.












