Victron VE.Bus to USB – MK3-USB Interface Configuration Tool

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The Victron VE.Bus to USB (MK3-USB) interface configuration tool allows communication between Victron devices and a c0mputer. It allows for configuration changes and updates to any of the Victron inverters, ensuring the system has the needed capabilities.


  • Easy configuration and firmware updates for a wide range of Victron products.
  • Compatible with Multi, MultiGrid, MultiPlus, MultiPlus-II, Quattro, Inverter/Charger settings in ECOmulti, EasySolar, EasyPlus, and Inverters with a VE.Bus communication port.
  • Simplified connectivity with an RJ45 cable for seamless communication with your MultiPlus inverter/charger.
  • Enhanced capabilities with customer-designed raspberry-pi based Venus-OS systems, expanding your control and monitoring options.



The Victron VE.Bus to USB (MK3-USB) configuration tool is used to control any Victron inverter with an RJ45 port. This cable connects from any laptop with a USB port to any Victron Inverter. This cable can also be used to connect to a user-designed Raspberry Pi-based Venus-OS system. The MK3-USB cable allows programming and firmware updates in the following devices:

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

The Victron VE.Bus only needs a standard RJ45 cable to hook into the inverter. Afterward, it’s as simple as connecting it to a computer and changing the settings of the inverter.

Please Note: The MK3-USB requires the use of an RJ45 cable for connection to a MultiPlus inverter/charger.

Recommended Accessories:

Additional information

Weight .5 lbs
Dimensions 6.75 × 5.25 × 1.875 in


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