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Beckhoff · Bus Terminal / Bus Coupler
BK1250 is a Beckhoff industrial component with Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529); Operating temperature 0...+55 °C (IEC 60068-2-1). It is used in control panels, machine builds, spare-part replacements where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Supply voltage | 24 V DC (IEC 61131-2) |
|---|---|
| I/O and communication | |
| Bus interface | 1024 byte input and 1024 byte output |
| Communication ports | EtherCAT, Ethernet |
| Mechanical | |
| Weight | approx. 55 g |
| Mounting | DIN rail / panel |
| Terminal type | Bus Terminals |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Storage temperature | -25…+60 °C/-40…+85 °C |
| Certifications | CE, UL, cULus |
| Humidity | 95 %, no condensation |
Values follow the Beckhoff Bus Terminal / Bus Coupler specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Beckhoff Bus Terminal / Bus Coupler variants | |||
| Catalog number | Mounting | ||
|---|---|---|---|
| BK1250 (this page) | DIN rail / panel | ||
| BK1120 | DIN rail / panel | ||
| BK2000 | DIN rail / panel | ||
| BK3100 | DIN rail / panel | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The BK1250 is the device-level element in a Beckhoff industrial component installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in control panels, machine builds, spare-part replacements, where the unit is matched to the original catalog number and the enclosure provides DIN rail / panel support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Beckhoff BK1250 — Industrial automation component supplied as a like-for-like replacement, selected by catalog number and published ratings. The figures below are taken from the specification table on this page for catalog number BK1250; verify the catalog number against your bill of materials before requesting a quotation.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Q.Which value is published under mounting for catalog number BK1250?
For BK1250, mounting is given as DIN rail / panel. Confirm this figure against the unit currently in the panel.
Q.Before ordering BK1250, which certifications entry should be checked?
The certifications entry quoted above is CE, UL, cULus. Use the value as the reference when sourcing a current-production equivalent.
Q.Where can I find the humidity data for BK1250?
It is listed in the specification table for Beckhoff BK1250 as 95 %, no condensation. Check the revision of the installed unit if the catalog number has been superseded.
Q.What should I include in an enquiry for BK1250?
Send the full catalog number BK1250, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Beckhoff BK1250.
Q.How do I confirm compatibility of BK1250 before ordering?
Match the catalog number BK1250 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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