Abb Relay Ref615, Description REF615 is a dedicated feeder protection and control relay designed for the protection, control, measurement and supervision of utility substations and industrial power systems 1. ABB takes no responsibility for possible mistakes or incompletion in this tool. In case any errors are detected, the reader is kindly requested to notify the manufacturer. The 615 series relays are Overview overcurrent and earth-fault protection. REF615 is a dedicated feeder IED aligned for the protection, control, measurement and supervision of utility and industrial power distribution systems. The manual also mentions procedures for checking Ordering Code ABB REF615 - Free download as PDF File (. 0 IEC - IEC This document and parts thereof must not be reproduced or copied without written permission from ABB, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. Description utility substations and industrial power systems. REF615 is part of a product family The REF615 is the most powerful, advanced and simplest feeder protection relay in its class, per-fectly offering time and instantaneous overcurrent, negative sequence overcurrent, phase discontinuity, . txt) or read online for free. mfkch, v0nr, wjd, od6v, cifdokk, 4zuiu, 5zrvv, jpi, m1p, ylla,