SEL 9 Series Relay Platform

40 years of power system protection expertise—distilled into one relay platform.The upcoming SEL 9 Series platform will be software-configurable into three relay options: line, feeder, and transformer. You will be able to keep inventory of just one device and select the application when deployed.All 9 Series devices will use the proven protection algorithms you already know and trust.
In the video below, Austin and Michael talk about the SEL 9 Series.
Do you have questions about the SEL 9 Series?Send us your questions, and our team will answer.

Coming Soon: The SEL-9L Line Relay

The SEL-9L protects lines of any length and is an ideal choice for subtransmission applications.
  • Five zones of distance protection with subcycle operating times—Quickly clear faults and prevent potential equipment damage. 
  • Communications-assisted tripping—Coordinate tripping among relays with overlapping protection zones.
  • Advanced trip circuit monitoring—Reduce operations and maintenance expenses with this SEL-exclusive capability.

Simple Settings Configuration

SEL Grid Configurator software, included at no cost with your SEL 9 Series relay, provides easy access to all the tools and information needed to set, test, and commission your devices—plus powerful visualization and reporting.Its user-friendly features include customizable HMI screens, a spreadsheet-style settings editor, custom filters, multiple-device settings configuration, protection visualization, and comprehensive reporting tools.
See how to use SEL Grid Configurator:
SEL Grid Configurator How-to Videos

Learn how to use core features and tools.

eGRID 101: Introduction to SEL Grid Configurator

This no-cost eLearning course explains how to use SEL Grid Configurator to interface with, commission, set, and program SEL devices.