3,000+ Products, One Integrated Platform
A comprehensive portfolio covering lighting, furniture, appliances, sanitary solutions, and building materials — enabling one-stop procurement and unified design.

The NLC Series KNX Line Coupler is a professional KNX bus communication device designed for bus interconnection, isolation, and filtering. It can work as a line coupler, backbone coupler, or line repeater to connect different KNX bus segments, extend the bus line length and device capacity, and improve the stability and efficiency of KNX system communication.
The NLC Series supports multiple operating modes, including KNX line coupler, backbone coupler, and line repeater. As a line coupler, it connects the main line and subline; as a backbone coupler, it connects functional areas and backbone lines; as a line repeater, it extends the bus line length and increases the number of KNX devices, providing flexible solutions for different KNX system architectures.
The device provides reliable communication between different KNX bus segments with bus interconnection, electrical isolation, and telegram filtering functions. The filtering function reduces unnecessary communication traffic between bus lines, helping to lower bus load and improve system performance.
By dividing a KNX installation into multiple independent bus segments, the NLC Series enables more flexible system planning and expansion, making it suitable for large residential, commercial, and intelligent building automation projects.
Through intelligent telegram filtering between connected lines, the device optimizes KNX bus communication efficiency and ensures stable data transmission, especially in complex automation systems with multiple devices and areas.
The NLC Series provides a practical solution for expanding KNX networks in various applications, including smart homes, villas, hotels, offices, and commercial buildings, helping create scalable and reliable KNX automation systems.
|
Product |
Code |
Color |
Dimension |
Power Supply |
IoT Technologies |
|
NLC Series |
4CBNLC-00/00.3 |
White |
L90*W36*H64mm |
21-30V DC, Via KNX bus |
KNX |
Your Trusted Partner for Global Projects.