ABB TB521-ARCNET AC500 Terminal Base (3ABD00029560)
The ABB TB521-ARCNET is a robust terminal base designed for AC500 V2 PLC systems, featuring two communication module slots, ARCNET connectivity, and dual RS232/RS485 serial interfaces. Ideal for complex automation networks requiring high reliability and legacy protocol support.
Technical Specifications
Mechanical Dimensions
Environmental & Compliance
Ordering Information
Frequently Asked Questions
How can I check whether TB521-ARCNET is the correct replacement?
Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.
How quickly can TB521-ARCNET be delivered?
This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.
Where can I check specifications and compatibility?
Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.
What warranty does Drive Outlet Megastore offer?
Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

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