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VMB4RY - 4-channel relay module

While stock lasts

4-channel relay module with 9 modes. The light in the living room, the fountain in the garden, mains outlets in the children's rooms, the electrical car port… these are only some of the things you can control. Switching everything on or off is another option.

Configuration: manual or via PC

This item is replaced by:VMB4RYNO

  • suppressed relay contacts
  • manual control on the module
  • control through VELBUS
  • controllable by connecting several push buttons in parallel
  • easy learning process
  • programmable without PC
  • storage space for 15 different push buttons per control group per channel
  • learned push buttons are saved in case of a power failure
  • report to control modules
  • 16 time settings: moment - 5s - 10s - 15s - 30s - 1min - 2 min - 5min - 10min - 15min - 30min - 1h - 2h - 5h - 1day - on/off
  • 9 different time settings for timer 2: 5min - 10min - 15min - 30min - 1h - 2h - 5h - 1day - on/off
  • LED indications for:
    • relay outputs
    • operation modes
    • power voltage
    • data reception and forwarding through VELBUS
  • 10 different operation modes :
    • moment control
    • on/off control
    • start/stop timer
    • staircase lighting timer
    • non-restartable timer
    • switch-off delay
    • switch-on delay
    • starting the timer by push button release
    • timer with blinking effect
    • 2-way timer
  • 8 different operation possibilities:
    • using push buttons turning on the relay
    • using push buttons turning off the relay
    • using push buttons turning the relay on or off
    • using push buttons activating the set operation mode
    • using push buttons starting or stopping the timer
    • using push buttons starting or stopping the 2nd timer in the 2-way timer mode
    • using push buttons restarting or stopping the timer
    • using push buttons starting or restarting the 2nd timer in the 2-way timer mode (except with on/off mode).
  • power supply: 12VDC...18VDC
  • consumption all relays activated: 330mA/18VDC
  • consumption in standby: 50mA/16VDC
  • 4 independent relay outputs :
    • switching capacity with a resistive load: 16A/230VAC max
    • switching capacity with an inductive load: 8A/230VAC max.
  • 223 different addresses
  • push button input debounce: 65ms
  • standard DIN-rail housing : 4 modules
  • dimensions: 90 x 71 x 58mm / 3.5 x 2.8 x 2.3"
  • weight: 210g (0.46lbs)
  • width: 4 DIN modules
  • protocol manuals for developers: available for download at https://github.com/velbus


PDF-File extended user manual for VMB4RY
Extended manual that explain how to use all possibilities of the 4-ch. relay module
PDF-File short user manual for VMB4RY
Basic manual explaining the basic functions of the Velbus 4 channel relay module


EXE-File VelbusLink 10.1.8 (EN/NL/FR) - Latest version
Free Windows program to configure and program a Velbus installation (latest version)
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
EXE-File VelbusLink (EN/NL/FR) - Previous version
Previous version of VelbusLink

Info Sheets

PDF-File VMB4RY protocol
Protocol information describing how to develop software that can communicate with this module
HTML-File Velbus actions by module (click on an action to see a description)
List of actions per module