The ABB TB521-ETH-XC is a robust and reliable terminal base for the AC500 V2 PLC platform, designed for demanding industrial automation applications. This CPU provides versatile communication options with integrated Ethernet and two serial interfaces (RS232/RS485), enabling seamless integration into complex control systems. The eXtreme Conditions rating ensures dependable performance in harsh industrial environments. Enhance your industrial control systems with the TB521-ETH-XC, providing reliable communication and robust performance. Its compact design and multiple communication interfaces make it an ideal solution for various applications, from simple control tasks to complex automation processes. Benefit from ABB's renowned quality and compliance with industry standards for a secure and efficient automation solution.
Key Features
Ethernet interface for high-speed communication
Two serial interfaces (RS232/RS485) for flexible connectivity
Compatible with AC500 V2 PLC platform
eXtreme Conditions rating for harsh environments
Compact and space-saving design
Applications
Industrial automation and control systems
Process control and monitoring
Machine automation and robotics
Building automation systems
Frequently Asked Questions
The TB521-ETH-XC provides an Ethernet interface and two serial interfaces (RS232/RS485), allowing versatile connectivity for various industrial communication protocols.
The "eXtreme Conditions" rating means this CPU is designed to operate reliably in harsh industrial environments, withstanding wider temperature ranges, higher humidity, and increased vibration.
The TB521-ETH-XC is designed specifically for the AC500 V2 PLC platform. Please consult ABB documentation for compatibility with AC500-eCo.
Technical Specifications
SKU
1SAP312100R0270
Product Name
TB521-ETH-XC
Height
135 mm
Width
123.5 mm
Depth
28 mm
Weight
0.189 kg
SKU
1SAP312100R0270
Product Name
TB521-ETH-XC
Height
135 mm
Width
123.5 mm
Depth
28 mm
Weight
0.189 kg
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...