Schweitzer Engineering Laboratories, Inc.
SEL serves the power industry worldwide through the design, manufacture, supply and support of products and services for power system protection, monitoring, control, automation, communications and metering. For more than 30 years, SEL has offered unmatched local technical support, a 10‐year, worldwide warranty and a commitment to making electric power safer, more reliable and more economical.
- 509.332.1890
- 509.332.7990
- info@selinc.com
- 2350 NE Hopkins Court
Pullman, WA 99163
United States
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product
Transceivers
Schweitzer Engineering Laboratories, Inc.
Transceivers convert between copper and fiber optics or between other communications interface standards.
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product
Cybersecurity
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
Remote Terminal Unit (RTU) Replacement
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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Auditability
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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product
Current Differential Relay
SEL-587
Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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product
Wireless Devices
Schweitzer Engineering Laboratories, Inc.
Wireless devices use radio signals to communicate and pass data over the air, eliminating the need for traditional cabling.
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product
Layered Cybersecurity
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
Automation Control
Schweitzer Engineering Laboratories, Inc.
Monitoring and controlling substation power systems requires comprehensive solutions. SEL’s complete solutions and hardened devices help maintain system stability with deterministic control; streamline access to valuable IED data, communications processors, and field devices; and improve visualization and control with local HMIs and access to SCADA systems.
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product
Audit Support
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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product
Routers
Schweitzer Engineering Laboratories, Inc.
Routers forward data packets to and from different networks. In utility networks, routers are often used to create security perimeters around substation LANs.
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product
Underground Fault Location
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
Network Management System (NMS)
Schweitzer Engineering Laboratories, Inc.
An NMS is a software application (or set of applications) that provisions, monitors, and maintains communications networks.
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product
Distribution Protection
Schweitzer Engineering Laboratories, Inc.
SEL distribution 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
Installation Support
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
Distributed I/O
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.
