Victron MK3-USB-C Interface (VE.Bus to USB-C)

The Victron MK3-USB-C is a hardware interface that connects a computer or laptop to Victron VE.Bus devices via USB-C. It is used by installers and technicians to configure, monitor and update firmware on compatible Victron inverters, inverter/chargers and Multi units using VEConfigure and VictronConnect software.

Key Features

• Provides a direct USB-C to VE.Bus connection between a PC or laptop and compatible Victron devices.
• Required for full configuration of VE.Bus products using VEConfigure software, including transfer switch settings, charge parameters and assistant programming.
• Supports firmware updates on VE.Bus inverters and inverter/chargers.
• USB-C connector suits modern laptops and computers without the need for an additional adapter when using USB-C ports.
• Compact and lightweight at 80g, suitable for carrying in a tool kit on site.
• Compatible with the full range of Victron VE.Bus products including MultiPlus, MultiPlus-II, Quattro and related inverter/charger models.

Product Overview

VE.Bus is Victron's communication protocol used across its inverter/charger range. To access the full configuration depth of these products, a physical hardware interface is required between the VE.Bus RJ45 port on the unit and a computer running Victron's configuration software. The MK3-USB-C fulfils this role, replacing the older MK2 and MK3-USB (Type-A) interfaces with a USB-C variant suited to current hardware.

VEConfigure, the primary tool for configuring VE.Bus devices, requires this interface to communicate with the inverter or inverter/charger. Tasks such as setting AC input current limits, configuring assistants, adjusting battery charge profiles and updating device firmware all depend on a working MK3 connection. Without it, these settings are not accessible through any other means on VE.Bus-only products.

The interface is also used alongside VictronConnect for certain diagnostic and monitoring functions. It is a standard item in the toolkit of any installer working regularly with Victron MultiPlus or Quattro systems.

Specifications

• SKU: ASS030140030
• GTIN: 8719076057994
• Weight: 0.08 kg
• Connection (computer side): USB-C
• Connection (device side): VE.Bus (RJ45)

Applications

• Configuring Victron MultiPlus and MultiPlus-II inverter/chargers on residential and commercial installations.
• Programming Victron Quattro units in off-grid, hybrid and backup power systems.
• Performing firmware updates on VE.Bus devices during commissioning or servicing.
• Setting up assistants (such as ESS, generator start/stop or self-consumption) via VEConfigure.
• On-site diagnostics and parameter checks by service engineers.

What Is Included

• 1 x Victron MK3-USB-C Interface (VE.Bus to USB-C)

Installation Notes

This interface is a configuration and commissioning tool, not a permanent installation component. It should be used by qualified installers familiar with Victron VEConfigure software and VE.Bus system architecture. Incorrect configuration of inverter/charger parameters can affect system behaviour and safety. Always ensure firmware and software versions are compatible before performing updates. No mains or battery wiring is involved in using this interface, but the connected inverter/charger should be handled in accordance with its own installation and safety requirements.