The ABB TB840 3BSE021456R1 Modulebus Cluster Modem is an original, high-performance communication interface designed to support robust data exchange between clusters within ABB’s automation systems. Engineered for seamless integration, this module delivers reliable performance across various industrial environments where stability and communication integrity are essential.

As part of ABB’s trusted product lineup, the TB840 modem ensures consistent data flow and helps optimize the overall efficiency of process control systems. Its compact design, ease of installation, and long service life make it a dependable solution for engineers and system integrators looking to enhance modular connectivity.

Key Features:

• Genuine ABB communication modem for Modulebus clusters

• Supports reliable and high-speed data transmission

• Ideal for complex process automation systems

• Compact, space-saving form factor

• Easy integration with ABB controllers and modules