LF/U 2.1 ABB Light Control Unit 1-10V 2-Fold Expansion KNX Dimming Channel Extension Module

The ABB LFU/2.1 is a high-specification Light Control Unit 1-10V 2-Fold from the prestigious LFU series, engineered to deliver exceptional reliability, precision, and operational efficiency for modern intelligent building environments.

As part of the globally recognized ABB i-bus® KNX ecosystem, this device represents the convergence of advanced engineering standards with high-durability hardware, ensuring seamless coordination of critical building services such as solar shading, lighting control, and system networking.

Designed for professional installation in commercial office towers, luxury hospitality projects, and high-end residential estates, the LFU/2.1 enables building operators to implement modular control architectures that reduce energy overhead while maximizing occupant comfort.

Built with sustainable, halogen-free materials and future-ready technology, this device is a critical building block for achieving high-performance infrastructure certifications such as LEED, WELL, and Green Premium. It is specifically engineered for 24/7 mission-critical operations in sophisticated smart building infrastructures.

• Extends the channel count of LR/S light controllers
• Enables expansion of dimming zones in large floors without adding full controllers
• Reduces hardware cost in extensive lighting systems