General
Cable cross-section	0,08-2,5 mm²
Colour	Light grey
Interface	KNX/EIB/TP1
Mounting method	35 mm mounting rail

The WAGO 753-646 is a KNX/EIB/TP1 interface designed as a terminal for integration into industrial and building automation systems. It enables the connection of control elements and sensors within the KNX network, which is based on EIB technology (European Installation Bus) and operates via the TP1 transmission interface. The interface is designed for use in electrical installations where reliable and standardized communication between devices is required. The light grey color matches the typical design of the WAGO 753 product series and supports a uniform visual appearance in enclosures and distribution boxes.

KNX/EIB/TP1 Technology

The 753-646 operates with the KNX standard, an open and internationally recognized protocol for building automation. KNX/EIB/TP1 enables data transmission over twisted-pair cables (TP1), with the interface serving as a physical access point to the network. The TP1 interface is designed for transmitting control and status information between devices in building automation, such as light switches, blinds, heating controllers, and central units. The use of EIB/KNX/TP1 ensures compatibility with a wide range of devices from various manufacturers.

Functions and Equipment in Detail

The terminal is intended for use in enclosures and distributors and allows direct connection of cables with a cross-section of 0.08 to 2.5 mm². The light grey color supports visual identification within electrical installations. The interface is designed as a modular component that can be integrated into standard rail mounting (e.g., 35 mm support rail). Connection is achieved via a terminal technology that ensures a secure and durable connection. The terminal is suitable for use in industrial and commercial installations where robust and maintenance-friendly installation is required.

Technology Explained Simply

The 753-646 serves as a physical access point to the KNX network. It enables the integration of devices communicating via the TP1 interface. TP1 technology uses twisted-pair cables, which provide low interference susceptibility and high data integrity. The terminal handles the electrical connection between the network and the connected device, with data transmission occurring over the cable. The use of EIB/KNX/TP1 enables decentralized control of functions such as lighting, heating, or blinds, with the interface acting as a link between hardware and the network.

Compatibility and Accessories

The 753-646 is compatible with the entire KNX ecosystem and can be connected to various devices supporting the EIB/KNX/TP1 interface. Suitable accessories include system enclosures such as the 850-834 or 850-835, designed for mounting in enclosures. Additionally, labeling carriers such as the 750-103 or quick labeling systems like the 248-501/000-012 can be used to identify the terminal. Shielded terminal clamps such as the 790-220 or 790-208 support secure cable fixation. The use of support rails such as the 210-118 or 210-196 enables mounting in standard electrical installations.

Mounting and Installation

Mounting is performed in standard enclosures or distributors using a 35 mm support rail. The terminal is inserted into the rail and secured. Cables are inserted into the terminal, with the cross-section ranging between 0.08 and 2.5 mm². The connection is secured via the terminal technology. Installation requires no additional tools, as the terminal is directly inserted into the rail. The connecting cables must be routed according to the requirements of the KNX network to ensure proper data transmission.

Advantages in Operation

The 753-646 provides a reliable and maintenance-friendly interface for KNX networks. The modular design enables easy integration into existing installations. The terminal technology ensures a stable connection that remains secure even under industrial conditions. Compatibility with the entire KNX ecosystem allows for flexible and scalable system design. The light grey color supports visual organization in enclosures, facilitating maintenance and diagnostics. The use of EIB/KNX/TP1 ensures standardized communication, guaranteeing interoperability between different devices.