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
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
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
Auditability
Schweitzer Engineering Laboratories, Inc.
Security devices collect critical event information to simplify audit reporting.
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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.
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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
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
Current Differential Relay
SEL-587
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
Encryption
Schweitzer Engineering Laboratories, Inc.
SEL communications devices encrypt data streams for security.
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product
Asset Management
Schweitzer Engineering Laboratories, Inc.
Asset management includes centralized management of network communications devices and IED passwords.
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product
Configuration And Visualization Software
Schweitzer Engineering Laboratories, Inc.
SEL software helps you optimize the configuration and management of your device and system settings. You can also use it to display and analyze relay event data, element operation, and more.
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product
Underground Fault Location
Schweitzer Engineering Laboratories, Inc.
Underground faulted circuit indicators identify the faulted cable section without a time-consuming re-fuse and sectionalize process. Applications include subsurface or pad-mounted transformers, switchgear, sectionalizing cabinets, junction boxes, and splices.
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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
Bay Control
Schweitzer Engineering Laboratories, Inc.
Integrated bay control systems combine complete bay control with high-speed breaker protection, allowing you to deploy a full substation protection, control, and monitoring solution that is flexible for your application.
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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.
