BK3150 - Beckhoff EtherCAT Bus Couplers
Beckhoff BK3150 EtherCAT Bus Couplers deliver reliable fieldbus-to-terminal communication for scalable and efficient automation systems.
| Brand | Beckhoff |
| Product Type | EtherCAT Bus Couplers |
| Product | BK3150 |
BK3150 Beckhoff EtherCAT Bus Couplers Technical Specifications
| Specification | Value |
|---|---|
| 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 mmรยฒ |
| Power supply | 24 V DC (-15%/+20%) |
| Input current | 70 mA + (total K-bus current)/4, 500ร mA max. |
| Recommended fuse | โค 10 A |
| Current supply K-bus | 1750 mA |
| Power contacts | max. 24 V DC/max. 10 A |
| Electrical isolation | 500 V (power contact/supply voltage/fieldbus) |
| Weight | approx. 100 g |
| Operating temperature | -25...+60ยฐC |
| Storage temperature | -40...+85ยฐC |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 GcIECEx: Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 44 mm x 100 mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08...2.5 mmยฒ,st*: 0.08...2.5 mmยฒ,f*: 0.14...1.5 mmยฒ |
| Housing - Stripping length | 8...9 mm |
| Housing - Current load power contacts | Imax: 10 A |
The Beckhoff BK3150 Bus Coupler combines flexibility and performance by supporting up to 64 Bus Terminals, expandable to 255 with K-bus extension. It handles 128 input and 128 output bytes through a D-sub 9-pin interface with automatic baud rate detection up to 12 Mbaud. The device operates on a 24 V DC power supply, with a maximum input current of 500 mA, and delivers 1750 mA K-bus current for efficient I/O management. Built with 500 V electrical isolation, it ensures safety between power contact, supply voltage, and fieldbus communication.
The BK3150 features a lightweight polycarbonate housing (44 x 100 x 68 mm) with signal LEDs for monitoring, making installation on 35 mm DIN rails simple and secure. With IP20 protection, resistance to vibration per EN 60068, and compliance with EN 61000 EMC standards, it is engineered for durability. Certified by CE, UL, ATEX, and IECEx, it operates reliably across temperatures from -25ยฐC to +60ยฐC, making it suitable for global industrial use.
The BK3150 Bus Coupler is applied in factory automation, robotics, packaging systems, and process plants requiring high-speed, stable fieldbus communication. Junior engineers value its ease of configuration, while senior engineers rely on its scalability and reliable performance under load. Maintenance professionals benefit from its diagnostic LEDs and rugged build, ensuring reduced downtime. For automation projects that demand efficient and safe data handling, the Beckhoff BK3150 is a trusted choice. Request a call back today for expert technical support.
