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VMBTB - Din rail distribution terminal block for bus cables

This distribution terminal block easily connects up to 8 bus cables (of 4 wires). The spring contacts allow to connect or disconnect each cable separately.


  • Only a qualified professional may carry out the installation in conformity with in force legislation and standards.

  • protocol manuals for developers

    available for download at https://github.com/velbus

  • saves time during installation
  • keeps wiring neat and tidy
  • allows easy isolation of subnets e.g. for troubleshooting
  • distribution: up to 8 bus cables of 4 wires
  • voltage rating: 30 V
  • contact rating: 10 A
  • wide range: 12-28 AWG / 0.08 - 3.3 mm²
  • dimensions: 90 x 36 x 58 mm
  • width: 2 DIN modules


PDF-File Short manual


EXE-File VelbusLink 10.7.0 (EN/NL/FR) - Latest version (01/18/2022)
Free Windows program to configure and program a Velbus installation (latest version - 01/18/2022)
PDF-File Velbus Installation Guide, Part 1: Hardware and Cabling
Everything you need to know about the Velbus hardware
PDF-File Velbus Installation Guide, Part 2: Configuration
How to configure Velbus modules using the free software VelbusLink
PDF-File Velbus Troubleshooting Guide
Step-by-step guide for solving Velbus problems.
EXE-File VelbusLink 10.5.1 (EN/NL/FR) - Previous version
Previous version of VelbusLink
XLSX-File Velbus consumption calculator
Spreadsheet to calculate the number of power supplies you need in a Velbus installation.

Info Sheets

PDF-File Infosheet
HTML-File Velbus actions by module (click on an action to see a description)
List of actions per module