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 of America
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product
Generator Relay
SEL-300G
Schweitzer Engineering Laboratories, Inc.
Apply the SEL-300G Relay for comprehensive primary and backup generator protection.
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product
Bay Control
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
Revenue Metering
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
Transceivers
Schweitzer Engineering Laboratories, Inc.
Transceivers convert between copper and fiber optics or between other communications interface standards.
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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
Precise Timing
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
Encryption
Schweitzer Engineering Laboratories, Inc.
SEL communications devices encrypt data streams for security.
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product
Transmission Control
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
Auditability
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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product
Security Gateways
Schweitzer Engineering Laboratories, Inc.
Security gateways combine cybersecurity capabilities to create secure access paths through security perimeters.
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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
Line Protection
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
Power System Operations
Schweitzer Engineering Laboratories, Inc.
Automate data collection, concentrate phasor data, and analyze data with real-time analytics.
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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.
