Place of Origin:Sweden
Order Number:TB840
Custom Processing:Yes
Item No.:TB840
Brand:ABB
Model:TB840
Operating Voltage:220 V
Output Frequency:30 kHz
Certified Product:TB840
Series:TB840
Material Coding:TB840
The ABB TB840 Modulebus Cluster Modem stands out for its robust optical cluster modem design, engineered to withstand harsh industrial conditions while ensuring stable and high-speed data transmission.
Featuring 1+1 redundant operation, this modem ensures continuous communication even under unexpected failures, enhancing system reliability and uptime.
Compact yet powerful, the TB840 measures 96 x 119 x 54 mm, making it an ideal fit for space-constrained industrial settings without compromising on performance.
With a lightweight structure weighing only 0.2 kg, the ABB TB840 is highly portable and easy to integrate into various industrial networks without adding unnecessary bulk or complexity.
This modem supports multiple industrial protocols, providing versatile connectivity options and compatibility with a wide range of devices, thus facilitating seamless integration into existing infrastructure.

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Looking for reliable industrial automation solutions? Our MODULE offers superior performance, competitive pricing, and fast global shipping. Trusted by engineers worldwide for PLC, DCS, and motion control applications.
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What are the main features of ABB ABB TB840 Modulebus Cluster Modem High-Performance Redundant Optical Modem?
Key features include: high-speed processing and real-time response, robust design for harsh industrial environments, easy integration with existing automation systems, advanced diagnostics and monitoring capabilities, and compliance with international industrial standards.
Where is ABB ABB TB840 Modulebus Cluster Modem High-Performance Redundant Optical Modem commonly used?
The ABB ABB TB840 Modulebus Cluster Modem High-Performance Redundant Optical Modem is widely used in distributed control systems, process automation, oil and gas refineries, chemical plants, and power generation. It is ideal for factories, plants, and facilities requiring dependable automation control.
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Authorized distributor of industrial control equipment worldwide. This Industrial Communication Module is designed for demanding industrial environments. As a professional supplier of network module and communication interface, we provide genuine products with competitive pricing and reliable after-sales service.
Our network interface solutions are widely used in process automation and manufacturing environments. Whether you need a replacement part or a complete system upgrade, this communication interface delivers consistent performance and long service life. We specialize in sourcing hard-to-find and obsolete automation components for legacy systems.
Common Applications:
- Manufacturing and production line automation
- Renewable energy systems (solar/wind)
- Steel and metal processing
- Power generation and energy management
- Data center power management
Key Features & Specifications Highlights:
- Worldwide fast shipping with secure packaging
- DIN rail mountable for compact panel installation
- Low power consumption with energy-efficient design
- LED status indicators for quick diagnostics
- Extended lifecycle with proven reliability in harsh environments
- 24/7 technical support and after-sales service
- Compatible with major automation platforms (Siemens, Allen-Bradley, ABB, Schneider)
- Firmware upgradeable for future-proof operation
⚡ Same-day dispatch for in-stock items | 💰 Wholesale pricing available | 🔧 Expert technical assistance
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