Retrofit Solutions

Upgrade relays and other devices and streamline modernization projects with retrofit solutions from SEL.

From individual device upgrades to system-wide modernization projects, SEL offers comprehensive services and 24/7 emergency technical support to help you simplify retrofit programs and integrate advanced protection, control, automation, and communications technologies into your existing infrastructure.

SEL offers retrofit solutions for:

  • Relay upgrade programs
  • Electromechanical (EM) relays
  • Analog and digital devices
  • Communications infrastructure
  • Remote terminal units (RTUs)

Comprehensive Services and Solutions

With decades of experience designing, manufacturing, and integrating IEDs, we’re experts in how hardware and software operate within power protection, management, and control systems.

Our local support teams work with you directly to find the ideal replacement for an existing device. For complete retrofit programs, SEL Engineering Services provides comprehensive consulting, design, manufacturing, installation, and commissioning services. Our engineers also help manage outage scheduling to minimize downtime windows during retrofit work for a seamless transition back into normal operations.

Products and Support You Can Rely On

SEL products are designed and manufactured for the harshest industrial and substation 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 warranty, no-charge diagnostic and repair services, local support, and a variety of test procedures and certifications. Our support teams are stationed in regional offices around the world and staffed with application engineers who are experts in our products and in power system applications.

Contact your local support team to learn more about retrofit solutions from SEL.