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
Transformer Protection
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Schweitzer Engineering Laboratories, Inc.
Transformer protection products and systems provide complete primary and backup protection for all types of transformer faults. They are suited for use in utility-, industrial-, and commercial-scale power transformer systems.
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Product
Industrial Protection
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Schweitzer Engineering Laboratories, Inc.
Industrial protection solutions provide complete protection for low- and medium-voltage systems. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability. They can easily coordinate with other devices in industrial- and commercial-scale petrochemical, metals and mining, and water and wastewater facilities as well as data centers, hospitals, universities, and more.
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Product
Annunciation
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Schweitzer Engineering Laboratories, Inc.
Annunciators provide local and remote notification to improve situational awareness, efficiency, and safety.
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Product
Remedial Action Schemes
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Schweitzer Engineering Laboratories, Inc.
SEL’s power management system for utilities uses a remedial action scheme (RAS) in a control system for large geographic regions of interconnected transmission, generation, and loads. This solution is commonly used for the wide-area monitoring, control, and integration of large wind power stations.
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Product
Remote I/O
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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
Distribution Automation
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Schweitzer Engineering Laboratories, Inc.
Scalable and modular distribution automation solutions help increase system operational efficiency and reduce operating costs.
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Product
Single-Mode Fiber-Optic Transceivers
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Schweitzer Engineering Laboratories, Inc.
Single-mode fiber-optic transceivers convert EIA-232 serial ports to single-mode fiber-optic ports.
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Product
Substation Automation
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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
Recloser Controls
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Schweitzer Engineering Laboratories, Inc.
Recloser controls provide fault location, isolation, and system restoration using protection and communications capabilities, such as Automatic Network Reconfiguration and single- and three-phase tripping. They allow you to automatically reconfigure your distribution system to isolate faults, quickly restore service, and reduce customer impact.
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Product
Electrical Balance Of Plant
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Schweitzer Engineering Laboratories, Inc.
Protecting a generation facility encompasses more than just protecting a generator. Protecting motors, feeders, and station-service equipment is also critical to maintaining plant uptime. By combining SEL solutions, you can do all of that using reliable, field-proven hardware that is suited for use in utility-, industrial-, and commercial-scale power systems.
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Product
Current Differential Relay
SEL-587
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Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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Product
Security Devices
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Schweitzer Engineering Laboratories, Inc.
Security devices protect perimeters and secure communications within LANs.
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Product
NERC CIP
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Schweitzer Engineering Laboratories, Inc.
SEL products help utilities with data collection for NERC CIP compliance reporting.
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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
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.
