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VMB1RYNOS - Mini single channel relay module with potential-free contact for universal mounting

Miniature Velbus relay for universal use.
If you have limited space to add a Velbus system relay, then this full featured relay is perfect. It has all the features of the bigger versions!

This item is replaced by:VMB1RYS


  • 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

  • one normal open relay contact
  • four virtual relays
  • used for Velbus system
  • configurable via free Velbuslink software (V9.1 or higher) and USB/RS232 interface module
  • electronic addressable (up to 250 addresses)
  • different operation modes: moment, on/off, timers, delayed on, …
  • free programmable timers
  • firmware upgradeable through the Velbus system
  • relays:
    • type: 1 potential-free contact
    • AC: 50 W at 230 VAC resistive load or 25 W at 230 VAC inductive load. Not suitable for capacitive loads (eg. led drivers).
  • power supply: 15±3VDC
  • max. power consumption: 35 mA
  • dimensions: 40 x 30 x 14 mm/1.57 x 1.18 x 0.55"
  • standby current consumption: 15 mA


EXE-File VelbusLink 10.8.5 (EN/NL/FR) - Latest version
Free Windows program to configure and program a Velbus installation (latest version - 09/22/2022)
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 10.6.5 (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

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