Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

The Beckhoff BK3100 is a high-performance Profibus DP/FMS bus coupler designed for robust industrial automation applications. This essential component facilitates seamless communication between Profibus networks and control systems, ensuring efficient data exchange and operational reliability. Its advanced design provides a critical link in complex automation architectures, offering superior connectivity and data integrity for demanding environments.
Engineered for resilience, the Beckhoff BK3100 operates reliably with a 24VDC power supply and can withstand temperatures up to 55C, making it ideal for harsh industrial settings. This bus coupler is central to modern control systems, supporting both Profibus DP for high-speed I/O and Profibus FMS for advanced communication tasks. It ensures that your automation processes are both responsive and stable, crucial for industries requiring precision and uptime. What makes the BK3100 a top choice for automation engineers is its robust build and consistent performance under pressure.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.