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

Product Summary
LFU/2.1 ABB Light Control Unit 1-10V 2-Fold Expansion KNX Dimming Channel Extension Module Product Overview 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 ...
Basic Properties
Brand Name: ABB
Certification: CE
Model Number: LFU/2.1
Trading Properties
Minimum Order Quantity: 1
Payment Terms: T/T,Western Union
Product Description
LFU/2.1 ABB Light Control Unit 1-10V 2-Fold Expansion KNX Dimming Channel Extension Module
Product Overview

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.

Technical Specifications
Product Model LFU/2.1
Product Series ABB i-bus® KNX LFU
Communication Protocol KNX TP1 (S-Mode)
Interface Configuration 2-channel extension for LR/S light controllers
Rated Operating Voltage 230 V AC
Power Supply Bus-powered via KNX line (DC 24-30 V SELV) or external mains supply
Functional Logic & Sensing Compact 1-10V output extension, switching contact per channel, DIN rail mount
Network Topology Support Supports standard star, daisy-chain, and branch-based bus architectures
Wiring Interface Maintenance-free PUSH-IN or industrial screw terminals for secure connectivity
Operating Temperature -5°C to +45°C (standard indoor operational range)
Ingress Protection IP20 (Indoor mounting environments)
Housing Material Halogen-free, flame-retardant industrial grade polycarbonate
Certifications CE Marked, RoHS, REACH, KNX Certified, Green Premium Environmental Data
Application Scenarios
  • 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
Ideal for commercial buildings, luxury hospitality projects, and high-end residential applications requiring scalable lighting control solutions.
Product Details
Highlight:

ABB KNX dimming actuator

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1-10V dimming channel module

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KNX light control unit

Installationtype: DIN Rail Mounting
Material: Flame-retardant Plastic
Channel Configuration: 8 Independent Dimming Channels
Statusindicator: LED For Operation Status
Dimmingtype: Leading Edge / Trailing Edge
Control Type: KNX System
Grid Frequency: 50-60Hz

Ms. Nora

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