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
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
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
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
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
Generator Relay
SEL-300G
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Schweitzer Engineering Laboratories, Inc.
Apply the SEL-300G Relay for comprehensive primary and backup generator protection.
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Product
Precise Timing
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Schweitzer Engineering Laboratories, Inc.
Precise timing is achieved using satellite clocks, which process signals from Global Navigation Satellite Systems, such as GPS, and output time to power system devices using IRIG-B, the Precision Time Protocol (PTP), and the Network Time Protocol (NTP).
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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
Substation Automation
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Schweitzer Engineering Laboratories, Inc.
Enable high-performance control and monitoring schemes. Protection applications include directional element-based bus protection and replacement of tone-channel equipment for communications-assisted blocking, unblocking, permissive, and transfer trip schemes.
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Product
Remote Terminal Unit (RTU) Replacement
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Schweitzer Engineering Laboratories, Inc.
Compared with typical RTUs, SEL automation controllers provide improved reliability, extended I/O contacts, and advanced automation and control for remote substations and field applications.
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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.
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Product
Software-Defined Networking
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Schweitzer Engineering Laboratories, Inc.
SEL SDN is an Ethernet switch solution optimized for operational technology (OT) LANs.
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Product
Data Concentration And Protocol Conversion
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Schweitzer Engineering Laboratories, Inc.
Communicate and collect data from IEDs, exchange and convert data between protocols, and execute output logic for real-time control with SEL automation and communications solutions.
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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
RTD Module
SEL-2600
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Schweitzer Engineering Laboratories, Inc.
Measure and transmit data from up to 12 RTDs and a single contact status located in transformers, breakers, motors, generators, or other system apparatus.
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Product
Converters
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Schweitzer Engineering Laboratories, Inc.
These products convert between various communications interface standards.
