Victron Energy Nucleo GX

Name: Victron Energy Nucleo GX
Brand: Victron Energy
Author: JouleSpecs

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Data from official source

Sheet curated by JouleSpecs — We check every spec sheet against the manufacturer's own documentation: each value carries its source and the date we read it. Published Oct. 17, 2026 · Last updated Oct. 24, 2026

Nucleo GX is a communication centre that brings the Victron devices of an installation together in one place. It has VE.Direct, VE.Can and USB ports and manages up to 25 devices, expandable with the GX I/O Extender 150. RS and HS series inverter/chargers connect directly, while MultiPlus, Quattro and other models connect through a dongle. Monitoring and control are done from VRM and VictronConnect, with alerts, alarms, automatic generator start and stop, and peak shaving. For integration with other systems it offers REST API, MQTT, Modbus TCP and Node-RED. It mounts on a wall or a DIN rail and has a micro SD slot to store data offline.

01 · Verified data

Technical specifications

Parameter	Value	Source
Mounting	Wall mounted	Compiled by editorial team
Local control	Modbus	Compiled by editorial team
Open protocols	Modbus TCP, MQTT, CAN bus	Compiled by editorial team

03 · Summary

Pros and cons

In favour

Manages up to 25 devices, expandable with the GX I/O Extender 150. source
Offers REST API, MQTT and Modbus TCP to integrate the installation with other systems.
The micro SD slot lets you store data even without a connection. source