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
-
Product
Generation Protection
-
Schweitzer Engineering Laboratories, Inc.
SEL generator 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.
-
Product
Stator Ground Protection Relay
SEL-2664S
-
Schweitzer Engineering Laboratories, Inc.
Protect high-impedance grounded generators from ground faults at standstill, during startup, and while running with the multisine frequency injection and neutral overvoltage-based protection in the SEL-2664S.
-
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.
-
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.
-
Product
Ethernet Switches
-
Schweitzer Engineering Laboratories, Inc.
Ethernet switches provide LAN connectivity in substations, large enclosures, and industrial plants.
-
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.
-
Product
Overhead Enhanced Protection
-
Schweitzer Engineering Laboratories, Inc.
These products enhance distribution protection by helping relays make better tripping and reclosing decisions based on the location of a fault.
-
Product
Capacitor Bank Protection
-
Schweitzer Engineering Laboratories, Inc.
Capacitor bank protection products and systems provide complete primary and backup protection for all types of capacitor configurations.
-
Product
Software-Defined Networking
-
Schweitzer Engineering Laboratories, Inc.
SEL SDN is an Ethernet switch solution optimized for operational technology (OT) LANs.
-
Product
Motor Protection
-
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.
-
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:
-
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.
-
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.
-
Product
Converters
-
Schweitzer Engineering Laboratories, Inc.
These products convert between various communications interface standards.
-
Product
Arc-Flash Protection
-
Schweitzer Engineering Laboratories, Inc.
Arc-flash detection technology significantly decreases the time it takes a relay to trip in response to an arc fault, thereby reducing hazardous incident energy. Combining light-sensing technology with fast overcurrent protection provides high-speed arc-flash detection and prevents overtripping for external faults. Arc-flash protection relays work with low- and medium-voltage apparatus and easily coordinate with other devices in utility-, industrial-, and commercial-scale power systems.
