# Woodward HighProTec MCA4 Feeder Protection Relay

> feeder-protection - Directional overcurrent and earth fault protection for cables, overhead lines and capacitor banks with synchrocheck

**Voltformer canonical:** https://voltformer.com/product/woodward-highprotec-mca4-feeder-protection-relay - markdown version: https://voltformer.com/product/woodward-highprotec-mca4-feeder-protection-relay.md

## Overview

- **Brand:** Woodward
- **Product family:** HighProTec
- **Application:** Directional overcurrent and earth fault protection for cables, overhead lines and capacitor banks with synchrocheck
- **Product type:** feeder-protection

## Protection & Control Functions

- **ANSI Functions:** 50/51, 50N/51N, 67/67N, 46, 49, 50BF, 79, 25, 27/59, 81
- **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):** Configuration-dependent
- **Redundancy (PRP/HSR):** Yes (PRP/HSR)
- **Protocols:** IEC 61850, Modbus TCP, DNP3, IEC 60870-5-103
- **Engineering Software:** Smart view

## Electrical Interface

- **Frequency:** 50/60 Hz
- **Nominal Current:** 1 A / 5 A
- **Auxiliary Supply:** 24-60 Vdc / 110-250 Vdc / 100-240 Vac
- **Operating Temperature:** -20 to +60 °C

## Standards

- IEC 60255
- IEEE C37.90
- UL Listed
- VDE

## Sources

- https://www.woodward.com/products/publication-asset/hpt-3-7-en-qsg/

- **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.