# ABB Relion REF615

> feeder-protection - Feeder protection and control for utility and industrial distribution networks with directional overcurrent and earth fault

**Voltformer canonical:** https://voltformer.com/product/abb-relion-ref615 - markdown version: https://voltformer.com/product/abb-relion-ref615.md

## Overview

- **Brand:** ABB
- **Product family:** Relion 615
- **Application:** Feeder protection and control for utility and industrial distribution networks with directional overcurrent and earth fault
- **Product type:** feeder-protection

## Protection & Control Functions

- **ANSI Functions:** 50/51, 50N/51N, 67/67N, 46, 49, 50BF, 79, 25
- **Transformer Windings:** N/A (Feeder / Bay)
- **Supports Transformer:** No
- **Supports Feeder:** Yes
- **Supports Breaker Control:** Yes
- **Arc Flash Protection:** No

## Digital Integration & Protocols

- **IEC 61850 Edition:** Ed2
- **GOOSE:** Yes
- **Sampled Values (SV):** Yes
- **Redundancy (PRP/HSR):** Yes (PRP/HSR)
- **Protocols:** IEC 61850, Modbus, DNP3, IEC 60870-5-103
- **Engineering Software:** PCM600

## Electrical Interface

- **Frequency:** 50/60 Hz
- **Nominal Current:** 1 A / 5 A, conventional CT or sensor input
- **Auxiliary Supply:** 24-250 Vdc / 48-240 Vac
- **Operating Temperature:** -25 to +55 °C

## Standards

- IEC 60255
- IEC 61850
- IEEE C37.90

## Sources

- https://new.abb.com/medium-voltage/digital-substations/protection-relays/feeder-protection-and-control/feeder-protection-and-control-ref615-iec

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

Technical ratings are configuration-dependent where stated by the manufacturer. Request project-specific verification before procurement.