Victron Energy MK3-USB interface connects VE.Bus devices to USB for quick configuration.
MK3-USB enables firmware updates from a computer for compatible Victron gear.
Compact Victron MK3-USB design fits tight spaces during setup and testing.
Compatible with Multi, Quattro, and EasySolar lines for easy diagnostics.

Victron Energy

Victron Energy Interface MK3-USB – VE.Bus to USB Interface for Configuration & Updates

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$91.44

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Overview

Introducing the Victron Energy Interface MK3-USB, a compact VE.Bus to USB portal that lets you configure devices and update firmware from a computer.

Built for Victron energy systems, the MK3-USB connects the VE.Bus network to a PC for straightforward configuration and firmware updates. Whether you're on-site, in a workshop, or performing routine maintenance, this interface helps keep your equipment aligned with the latest features and settings.

Its small footprint makes it easy to carry: 2 x 4 x 5 inches, weighing 1.59 lb, so you can tuck it into a toolkit or service bag without bulk.

Key benefits

  • Configure VE.Bus devices from a computer and update firmware with ease.
  • Connect compatible Victron products for centralized setup and diagnostics.
  • Compact, lightweight design supports on-site use and mobile service.
  • User-friendly USB connection reduces the setup time for configurations and updates.

What you can do with it

Use the MK3-USB to scan, configure, and refresh firmware across your VE.Bus network. The interface acts as a practical bridge between your computer and Victron gear, helping you apply the latest features and ensure consistent device behavior.

Compatibility snapshot

  • Multi, MultiGrid, MultiPlus, MultiPlus-II, and Quattro models
  • Inverter/Charger settings in ECOmulti, EasySolar, and EasyPlus
  • Inverters that include a VE.Bus communication port

Physical specs

Dimensions: 2 x 4 x 5 inches. Weight: 1.59 lb. This compact unit is designed for easy transport and quick deployment in field setups.

FAQ

Q: What is the Victron Energy Interface MK3-USB used for?

A: It enables configuring VE.Bus devices and applying firmware updates via USB from a computer.

Q: Which Victron products work with the MK3-USB?

A: Multi, MultiGrid, MultiPlus, MultiPlus-II, Quattro, ECOmulti, EasySolar, EasyPlus and VE.Bus inverters.

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