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
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Product
Overhead Fault Location
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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
Centralized Management
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Schweitzer Engineering Laboratories, Inc.
Centralized management solutions provide a way to manage multiple hardware devices from a single application.
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Product
Control Center
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Schweitzer Engineering Laboratories, Inc.
The essential elements in the reliable operation of the bulk electric system (BES) are control centers that continuously monitor and control generation and transmission power flows. Visualization, situational awareness, and analytic software help ensure that control center personnel always know what is happening with the BES.
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Product
Auditability
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Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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Product
Wireless Communications
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Schweitzer Engineering Laboratories, Inc.
Wireless communications extend networks in areas where communications wires are not available or cost-prohibitive.
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Product
Configuration Software
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Schweitzer Engineering Laboratories, Inc.
Optimize the configuration and management of device and system settings with SEL configuration software.
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Product
Industrial Control
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Schweitzer Engineering Laboratories, Inc.
Industrial control systems require reliable automation solutions that can integrate with relays, meters, and plant controls to ensure the safe operation of industrial facility power systems.
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Product
Power Quality
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Schweitzer Engineering Laboratories, Inc.
SEL power quality controls increase power efficiency and reliability by improving a system’s power factor and voltage stability.
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Product
Line Protection
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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
Local-Area Networks
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Schweitzer Engineering Laboratories, Inc.
LAN products support the interconnection of devices in one location to exchange data
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Product
Generation Protection
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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.
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Product
Distribution Control
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Schweitzer Engineering Laboratories, Inc.
SEL solutions improve distribution system reliability and efficiency with intelligent protection, monitoring, and control devices.
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Product
Advanced Monitoring and Control System
SEL-734B
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Schweitzer Engineering Laboratories, Inc.
The SEL-734B with low-energy analog (LEA) inputs provides advanced monitoring and control capabilities for applications, such as capacitor bank control and feeder monitoring. LEA sensor compatibility allows safe, fast, and inexpensive installations. Advanced communications report data to SCADA systems and allow remote operations from a control center.
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Product
Distributed I/O
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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.
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Product
Security Devices
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Schweitzer Engineering Laboratories, Inc.
Security devices protect perimeters and secure communications within LANs.















