GIRA Control Unit 222400 1-10V 4-Channel Manual KNX (222400)

In commercial lighting installations, facility managers need a reliable way to control 1-10V dimmable luminaires and electronic ballasts. The GIRA Control Unit 222400 provides four independent 1-10V control channels, each manually operable via push-buttons on the device and integrable into a KNX bus system. This DIN rail mounted unit is suitable for controlling lighting in offices, conference rooms, and public buildings where both manual override and automated control are required.

Key specifications

• Bus system: KNX
• Function: 1-10V control unit
• Number of channels: 4
• Control type: Manual and KNX
• Output voltage: 1-10V DC
• Output current per channel: max. 50 mA
• Mounting type: DIN rail (REG device)
• Module width: 4 TE (72 mm)
• Supply voltage: KNX bus voltage (21-30V DC)
• Power consumption (KNX): typ. 5 mA
• Operating temperature: 0°C to +45°C
• Protection class: IP20
• Configuration: ETS software
• Manual operation: yes, via push-buttons
• Status indication: LED per channel
• Connection type: screw terminals (1-10V), bus terminal (KNX)
• Application: control of 1-10V dimmable luminaires, electronic ballasts
• Product type: actuator / interface
• Short-circuit protection: yes, for 1-10V outputs
• Overload protection: yes, for 1-10V outputs

Why choose it

This control unit offers a compact four-channel solution for 1-10V lighting control, combining manual push-button operation with full KNX integration. Each channel is individually protected against short circuits and overloads, ensuring reliable operation in demanding environments. The LED status indication per channel provides quick visual feedback for commissioning and troubleshooting.

Ideal use cases

• Controlling dimmable fluorescent lighting in office buildings
• Integrating 1-10V LED drivers into a KNX smart building system
• Manual override in meeting rooms or auditoriums
• Retrofitting existing 1-10V lighting installations with KNX control

Good to know

The unit is configured via ETS software, allowing flexible assignment of channels to KNX group addresses. Manual operation via push-buttons enables on-site testing and control without bus communication. The module width of 4 TE (72 mm) makes it suitable for standard DIN rail distribution boards.