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
Regulatory Compliance
-
Schweitzer Engineering Laboratories, Inc.
SEL offers various devices and technology to assist with data collection and compliance reporting for NERC CIP and other critical National Institute of Standards and Technology (NIST)-based regulations.
-
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
Substation HMI
-
Schweitzer Engineering Laboratories, Inc.
SEL automation solutions allow you to visualize data and control the system with an integrated, web-based HMI for local and remote monitoring, control, and annunciation for substations or other processes.
-
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
Network Management System (NMS)
-
Schweitzer Engineering Laboratories, Inc.
An NMS is a software application (or set of applications) that provisions, monitors, and maintains communications networks.
-
Product
Transmission Protection
-
Schweitzer Engineering Laboratories, Inc.
SEL transmission 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
Integration
-
Schweitzer Engineering Laboratories, Inc.
Integrate protective relay and metering information into SCADA and plant control systems through secure networking and automation devices.
-
Product
Wireless Communications
-
Schweitzer Engineering Laboratories, Inc.
Wireless communications extend networks in areas where communications wires are not available or cost-prohibitive.
-
Product
Automation Operations
-
Schweitzer Engineering Laboratories, Inc.
Substation automation uses substation and feeder operating functions and applications to optimize the management of capital assets and enhance operation and maintenance efficiencies with minimal human intervention.
-
Product
Power Management
-
Schweitzer Engineering Laboratories, Inc.
Power management solutions maintain grid stability while offering flexibility that reduces operating expenses and meets ever-changing system demands. SEL systems include comprehensive generation and load management with relays, logic, and control systems.
-
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
Single-Mode Fiber-Optic Transceivers
-
Schweitzer Engineering Laboratories, Inc.
Single-mode fiber-optic transceivers convert EIA-232 serial ports to single-mode fiber-optic ports.
-
Product
Distributed Generation
-
Schweitzer Engineering Laboratories, Inc.
SEL solutions provide protection, communications, control, and metering equipment ideally suited for renewable energy and distributed power generation.
-
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.
-
Product
Transformer Protection
-
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.















