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
NERC CIP
Schweitzer Engineering Laboratories, Inc.
SEL products help utilities with data collection for NERC CIP compliance reporting.
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product
Multimode Fiber-Optic Transceivers
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
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
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
Software-Defined Networking
Schweitzer Engineering Laboratories, Inc.
SEL SDN is an Ethernet switch solution optimized for operational technology (OT) LANs.
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product
Overhead Fault Location
Schweitzer Engineering Laboratories, Inc.
Overhead faulted circuit indicators include easy-to-spot displays to help direct line crews to the faulted line sections—enabling faster restoration of power and improved customer uptime.
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product
Fault Indicators and Sensors
Schweitzer Engineering Laboratories, Inc.
This technology detects overcurrent faults on overhead and underground lines to speed up power restoration and enhance protection.
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product
Field Ground Module
SEL-2664
Schweitzer Engineering Laboratories, Inc.
Add the SEL-2664 Field Ground Module to the SEL-300G or SEL-700G to protect all the critical components in your generator with one comprehensive relay. Or, add the SEL-2664 to the SEL-2664S to complete ground fault protection on both the rotor and stator.
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product
RTD Module
SEL-2600
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
Substation Automation
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
Feeder Protection
Schweitzer Engineering Laboratories, Inc.
Feeder protection improves the safety and reliability of your distribution feeder system by combining complete primary and backup protection with comprehensive overcurrent and arc-flash protection capabilities. These devices are suited for use in utility-, industrial-, and commercial-scale power systems.
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product
Integration
Schweitzer Engineering Laboratories, Inc.
Integrate protective relay and metering information into SCADA and plant control systems through secure networking and automation devices.
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product
Digital Secondary Systems
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
Remote I/O
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
Teleprotection
Schweitzer Engineering Laboratories, Inc.
Teleprotection systems monitor and protect transmission lines using communications-assisted coordination between relays.
