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Beckhoff BK3120

Name: Beckhoff Compact EtherCAT Coupler
Brand: Beckhoff
SKU: BK3120

Beckhoff Compact EtherCAT Coupler

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Beckhoff BK3120 Compact EtherCAT Coupler — Remote I/O & Communication

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Product Description

Lifecycle Status:

The BK3120 industrial automation product, developed by Beckhoff, is a highly advanced component designed to streamline and optimize complex manufacturing processes. With its powerful processing capabilities and extensive range of communication interfaces, this product is ideal for use in a wide variety of industrial applications, from automotive assembly lines to food processing plants. The BK3120 is built to withstand the toughest industrial environments, with rugged construction and reliable performance that ensures consistent operation even in the harshest conditions. Whether you're looking to enhance productivity, increase efficiency, or simply improve the quality of your manufacturing operations, the BK3120 is the ideal solution for industrial automation. With its cutting-edge technology and innovative design, this product is sure to meet the most demanding requirements of today's industrial applications.

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Offer details

Offer from:: Trusted supplier — Romania, member since 2023, 1–4 employees
Availability:: On requestLead time: 15 days
Warranty:: Not specified
Condition:: New Surplus

New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.

The Seller is responsible for shipping the product and invoicing

Specifications

Brand: Beckhoff
Number of Bus Terminals: 64 (255 with K-bus extension)
Max. number of bytes fieldbus: 128 byte input and 128 byte output
Data transfer rates: automatic detection up to 12 Mbaud
Bus interface: 1 x D-sub 9-pin socket with shielding
Data transfer medium: shielded copper cable, 2 x 0.25 mm²
Power supply: 24 V DC (-15%/+20%)

Available Offers

(21)

Condition	Availability	Supplier	Warranty
Condition New Surplus	Availability On requestLead time: 15 days	Supplier RomaniaTrusted supplier — member since 2023, 1–4 employees	Warranty Not specified
Condition Refurbished	Availability 1 pc. In-Stock Updated at: 11-09-2026	Supplier GermanyTrusted supplier — member since 2024	Warranty 24 months
Condition Used	Availability 5 pcs. In-Stock Updated at: 19-09-2026	Supplier SwitzerlandTrusted supplier — member since 2023	Warranty 3 months
Condition Used	Availability 19 pcs. In-Stock Updated at: 19-09-2026	Supplier GermanyTrusted supplier — member since 2023	Warranty 12 months
Condition Used	Availability 1 pc. In-Stock Updated at: 10-03-2026	Supplier GermanyTrusted supplier — member since 2022	Warranty 1 month
Condition New Surplus	Availability 1 pc. In-Stock Updated at: 20-08-2026	Supplier PolandTrusted supplier — member since 2026, 20–49 employees	Warranty 12 months

Offer with manufacturer lead time

Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.

Documents

Data Sheet

Datasheet for Beckhoff BK3120, including specifications and features.

Download Data Sheet

CAD Models

3D CAD model and technical drawings, ready for your design software.

Download CAD Model

Product data updated: 22-08-2026

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