Relion 615 Relay Retrofit Program Product Guide

This document describes ABB's Relay Retrofit Program, which uses Relion® 615 series protection relays and pre-designed accessories to replace existing relays in switchgear panels, extending equipment life cycles. It covers supported retrofit phases (engineering, installation, testing), tools like the IED Migration Support Tool and Relion Test Box RTB615, and ordering data for replacement IEDs and accessories.