When SEL produced the world’s first digital protective relay in 1984, we revolutionized the safety, economy, and reliability of electric power. Our engineers are experts in the protection, automation, control, and metering of power systems, and they approach every project with a spirit of quality, innovation, and service.
Let us partner with you to create a solution that meets your needs.
We offer complete protection, control, and integration with the bulk power grid via our powerMAX power management architecture—verified by independent third-party testing to be the most reliable microgrid control system in the world.Campus, Commercial, and Community
Take advantage of our expertise in protection systems and hardware by having SEL engineers specify, design, implement, test, and commission your protection systems. We provide all the design documentation, testing procedures, and setting reports needed to operate and maintain your system.
From remedial action schemes (RASs) for large transmission systems to synchronizing generation sources with the bulk power grid, SEL Engineering Services can provide the solution.More About SEL Protection Services
We also help North American utilities meet NERC Protection and Control (PRC) standards by providing specialized compliance services, including system studies, audit-ready deliverables, and NERC-compliant design and commissioning.More About NERC PRC Compliance
SEL power system automation solutions leverage the built-in capabilities of our protective relays, automation controllers, and powerMAX control libraries to provide scalable, modular automation solutions that can be reconfigured and expanded to meet changing needs.More About Automation Services
SEL also provides automation services and solutions specifically for distribution networks and substations.SEL Distribution Network Automation
The SEL cybersecurity services team can assess security vulnerabilities, build strong cyber defenses, and streamline ongoing compliance with NERC CIP and other regulatory requirements. Our certified professionals have extensive knowledge of cybersecurity and operational technology (OT) power system applications.More About Cybersecurity Services
Combined with decades of experience in power system engineering, our expertise with system modeling and hardware-in-the-loop (HIL) testing allows us to help you comply with regulations, reduce planning risk, and deploy solutions with proven reliability and efficiency.
When site visits aren’t possible, we can provide collaborative factory acceptance testing and technical support remotely.More About System Modeling and Studies
SEL manufactures the electric power industry’s most durable and reliable devices.
Our products are designed to withstand the world’s most challenging environments, exceeding all industry standards for temperature, shock, and electric stress. An optional conformal coating for circuit boards adds an extra level of protection against contaminants in extreme environments.
Every SEL product comes with a ten-year unconditional warranty—the best in the industry. If any product fails under warranty, we’ll repair or replace it for free.
SEL Engineering Services can provide experts on electric power system dynamics, protection, automation, and control to augment your design team and provide targeted expertise during critical stages of a project.
We employ hundreds of power system engineers around the globe who have designed complex power systems in nearly every industry. We can collaborate with you to create protection, control, automation, communications, and security systems with our products and how to integrate SEL-engineered solutions with your legacy equipment.
SEL Engineering Services provides both civil and electrical engineering drawings packages. Located in offices around the world, our engineering design staff can provide full substation design packages, site retrofits for existing electrical gear, or detailed design drawings related to power system protection, automation, metering, and control.
Our staff works with various design standards, including IEEE, NEMA, IEC, and JIS. We can help you design your own set of standards, offer advice on best practices, or work within your house standards. We can also convert existing Mylar, vellum, and paper drawings into electronic files.
All of our products are designed, tested, and manufactured in SEL-owned and -operated facilities in North America.
The SEL Engineering Services team follows rigorous engineering procedures for design, development, testing, and commissioning of electric power systems. We continually identify, monitor, and improve best practices to ensure your satisfaction.
We practice secure supply chain management, including verified chains of custody, responsible sourcing, and keeping quantities of critical parts in reserve. Our quality management system is certified to ISO 9001 Quality Management System requirements.
An SEL representative will follow up with you directly. We’re happy to answer all your questions and help you find the best solution for your needs.
When you choose SEL, you get more than products and services—you get a partnership. Our customer support teams are experts in power system products and applications, and they’re available for the entire life of your SEL solution.
Engineering Services project engineers are ready to assist you in various project stages from planning through final commissioning of the system. Afterward, you have access to technical support from SEL application engineers, at no charge, as long as SEL products remain in service.