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
Current Differential and Overcurrent Relay
SEL-387
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
Distributed Generation
Schweitzer Engineering Laboratories, Inc.
SEL solutions provide protection, communications, control, and metering equipment ideally suited for renewable energy and distributed power generation.
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product
Configuration Software
Schweitzer Engineering Laboratories, Inc.
Optimize the configuration and management of device and system settings with SEL configuration software.
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product
Distribution Operations
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
Centralized Management
Schweitzer Engineering Laboratories, Inc.
Centralized management solutions provide a way to manage multiple hardware devices from a single application.
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product
Microgrids
Schweitzer Engineering Laboratories, Inc.
Microgrids provide energy assurance using reliable, resilient, and secure solutions for maintaining uninterrupted energy delivery. SEL solutions maintain system stability with deterministic control that operates at subcycle speeds to preserve load and generation balance while seamlessly islanding and recoupling with the bulk electric system.
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product
Distribution Control
Schweitzer Engineering Laboratories, Inc.
SEL solutions improve distribution system reliability and efficiency with intelligent protection, monitoring, and control devices.
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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
Operational Technology (OT) Networking
Schweitzer Engineering Laboratories, Inc.
OT networking solutions provide communications with the performance, cybersecurity, and ruggedness required for demanding operational applications.
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product
Generator Protection Relay
SEL-700G
Schweitzer Engineering Laboratories, Inc.
The SEL-700G is the right solution for utility and industrial generator protection, with an autosynchronizer, flexible I/O, and advanced communications. Apply the SEL-700G for comprehensive primary and backup generator protection.
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product
Busbar Protection
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 utility-, industrial-, and commercial-scale power systems.
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product
HMIs And Annunciators
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
Firewalls
Schweitzer Engineering Laboratories, Inc.
Firewalls control incoming and outgoing network traffic and are often integrated into routers.
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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
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.
