INDUSTRIAL PART REFERENCE
BeckhoffBeckhoff BK4020
The Beckhoff BK4020 is an Interbus-Bus Coupler belonging to the Economy-plus series of industrial components. It connects the Interbus fieldbus system with modularly expandable electronic terminal blocks. The device supports up to 64 bus terminals or up to 255 terminals when used with a K-Bus extension. It features a transmission rate of 500 kBaud and an IP20 protection rating.
Beckhoff
BK4020
Industrial component
PROCUREMENT NOTE
Accurate identification before quotation
The complete Beckhoff BK4020 reference is used as the starting point for sourcing. Price, availability, lead time and application-specific compatibility are confirmed during quotation review.
20 manufacturer-verified details shown below, with 1 more reference field confirmed on RFQ.
TECHNICAL DATA AND EVIDENCE
Technical properties and reference data
| Property | Value | Evidence |
|---|---|---|
| Material | Polycarbonat | Manufacturer verifiedChecked 2026-08-02 |
| Dimensions | 51 mm x 100 mm x 69 mm | Manufacturer verifiedChecked 2026-08-17 |
| anzahl busklemmen mit k bus verl ngerung | 255 | Manufacturer verifiedChecked 2026-08-17 |
| bertragungsmedium | LiYCY 3 x 2 x 0,22 mm² | Manufacturer verifiedChecked 2026-08-17 |
| bertragungsrate | 500 kBaud | Manufacturer verifiedChecked 2026-08-17 |
| betriebstemperatur | 0…55 °C | Manufacturer verifiedChecked 2026-08-17 |
| businterface | 2 x D-Sub, 9-polig, Stecker und Buchse mit Schirmung und Rüttelsicherung | Manufacturer verifiedChecked 2026-08-17 |
| digitale peripheriesignale | 512 Inputs/Outputs | Manufacturer verifiedChecked 2026-08-17 |
| eingangsstrom | 70 mA + (ges. K-Bus-Strom)/4, 500 mA max. | Manufacturer verifiedChecked 2026-08-17 |
| einschaltstrom | 2,5 x Dauerstrom | Manufacturer verifiedChecked 2026-08-17 |
| empfohlene vorsicherung | ≤ 10 A | Manufacturer verifiedChecked 2026-08-17 |
| geh usematerial | Polycarbonat | Manufacturer verifiedChecked 2026-08-17 |
| Weight | ca. 170 g | Manufacturer verifiedChecked 2026-08-17 |
| lagertemperatur | -25…+85 °C | Manufacturer verifiedChecked 2026-08-17 |
| max byte anzahl feldbus | 64-Byte-Input und 64-Byte-Output | Manufacturer verifiedChecked 2026-08-17 |
| potenzialtrennung | 500 V (Powerkontakt/Versorgungsspannung/Feldbus) | Manufacturer verifiedChecked 2026-08-17 |
| powerkontakte max | max. 24 V DC/max. 10 A | Manufacturer verifiedChecked 2026-08-17 |
| product description tr | Beckhoff markasına ait BK4020 parça kodlu endüstriyel bileşen, polikarbonat malzemeden üretilmiş olup 24 V DC gerilim ile çalışmaktadır. Bu ürün 64 adet bus klemensini desteklerken, K-Bus uzantısı ile bu kapasiteyi 255 adede kadar çıkarabilmektedir. Cihaz 500 kBaud aktarım hızına sahip olup 0 ile 55 santigrat derece arasında çalışma sıcaklığı aralığı sunar. Yaklaşık 170 gram ağırlığındaki bu bileşen, endüstriyel sistemler için teknik gereksinimlere uygun olarak tasarlanmıştır. | Reference recordChecked 2026-08-25 |
| schutzart | IP20 | Manufacturer verifiedChecked 2026-08-17 |
| spannungsversorgung | 24 V DC (-15 %/+20 %) | Manufacturer verifiedChecked 2026-08-17 |
| stromversorgung k bus | 1750 mA | Manufacturer verifiedChecked 2026-08-17 |
Revisions and regional variants may exist. Send an RFQ with the exact part number and quantity for final confirmation.
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STOCK & WORLDWIDE DELIVERY
Warehouse stock review and door-to-door delivery
Stock for Beckhoff BK4020 is reviewed against warehouse and supplier-side options (US, Germany, Türkiye, Dubai), with worldwide door-to-door delivery and export terms confirmed in the written quotation. See global operations for the full process.
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Beckhoff BK4020 FAQ
What is Beckhoff BK4020?
The Beckhoff BK4020 is an Interbus-Bus Coupler belonging to the Economy-plus series of industrial components. It connects the Interbus fieldbus system with modularly expandable electronic terminal blocks. The device supports up to 64 bus terminals or up to 255 terminals when used with a K-Bus extension. It features a transmission rate of 500 kBaud and an IP20 protection rating.
What are the technical specifications of Beckhoff BK4020?
Material: Polycarbonat; Dimensions: 51 mm x 100 mm x 69 mm; anzahl busklemmen mit k bus verl ngerung: 255; bertragungsmedium: LiYCY 3 x 2 x 0,22 mm²; bertragungsrate: 500 kBaud; betriebstemperatur: 0…55 °C; businterface: 2 x D-Sub, 9-polig, Stecker und Buchse mit Schirmung und Rüttelsicherung; digitale peripheriesignale: 512 Inputs/Outputs. The full manufacturer specification is confirmed during RFQ review.
How can I request a quote for Beckhoff BK4020?
Submit the exact reference Beckhoff BK4020 with quantity and destination country through the RFQ form on this page. Initial response arrives within 0-4 hours; price, availability and lead time are confirmed in a written quotation.