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
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
HMIs And Annunciators
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Schweitzer Engineering Laboratories, Inc.
HMIs and annunciators improve situational awareness, efficiency, and safety by providing local indication of alarm conditions. Integrating these devices with remote I/O, relays, or real-time automation controllers eliminates duplicate I/O wiring.
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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
Switchgear Protection
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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.
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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
Automation Operations
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Schweitzer Engineering Laboratories, Inc.
Substation automation uses substation and feeder operating functions and applications to optimize the management of capital assets and enhance operation and maintenance efficiencies with minimal human intervention.
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Product
Advanced Monitoring and Control System
SEL-734B
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Schweitzer Engineering Laboratories, Inc.
The SEL-734B with low-energy analog (LEA) inputs provides advanced monitoring and control capabilities for applications, such as capacitor bank control and feeder monitoring. LEA sensor compatibility allows safe, fast, and inexpensive installations. Advanced communications report data to SCADA systems and allow remote operations from a control center.
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Product
Power Quality and Revenue Meter
SEL-735
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Schweitzer Engineering Laboratories, Inc.
The SEL-735 Power Quality and Revenue Meter passes accuracy requirements three times more stringent as the ANSI C12.20 Accuracy Class 0.2 standard. Advanced load profile trending, compatible with Itron® MV-90, DNP3, and Modbus protocols, ensures integration with practically any billing system. In addition to a full set of revenue metering features, advanced power quality monitoring will report costly system disturbances.
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Product
Capacitor Bank Protection
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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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Product
Revenue Metering
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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.
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Product
Encryption
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Schweitzer Engineering Laboratories, Inc.
SEL communications devices encrypt data streams for security.
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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
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
Annunciation
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Schweitzer Engineering Laboratories, Inc.
Annunciators provide local and remote notification to improve situational awareness, efficiency, and safety.
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Product
Control Center
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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.















