# GE Vernova MiCOM Agile P643

> transformer-protection - High-speed differential, restricted earth fault, thermal replica and breaker failure protection for 2- and 3-winding transformers

**Voltformer canonical:** https://voltformer.com/product/ge-vernova-micom-agile-p643 - markdown version: https://voltformer.com/product/ge-vernova-micom-agile-p643.md

## Overview

- **Brand:** GE Vernova
- **Product family:** MiCOM Agile P64x
- **Application:** High-speed differential, restricted earth fault, thermal replica and breaker failure protection for 2- and 3-winding transformers
- **Product type:** transformer-protection

## Protection & Control Functions

- **ANSI Functions:** 87T, REF/87N, 49, 50/51, 50N/51N, 24, 50BF, 27/59
- **Transformer Windings:** 2, 3
- **Supports Transformer:** Yes
- **Supports Feeder:** No
- **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, DNP3, IEC 60870-5-103, Modbus
- **Engineering Software:** MiCOM S1 Agile

## Electrical Interface

- **Frequency:** 50/60 Hz
- **Nominal Current:** 1 A / 5 A, dual-rated
- **Auxiliary Supply:** 24-250 Vdc / 100-240 Vac
- **Operating Temperature:** -25 to +55 °C

## Standards

- IEC 60255
- IEC 61850
- IEEE C37.90

## Sources

- https://www.gevernova.com/electrification/automation/protection-control-metering/transformer-protection/p64x-gen4
- https://www.gevernova.com/grid-solutions/app/viewfiles.aspx?prod=P64X&sort=title&type=3

- **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.