S800 I/O DUAL-POWER TERMINATION
ABB TU849 is a passive S800 I/O module termination unit for redundant TB840 or TB840A Optical ModuleBus Modem configurations with non-redundant I/O. It provides separate 24 V DC power connections for the two modems, two modem positions, a single electrical ModuleBus path and a rotary switch for cluster addresses from 1 to 7. Mechanical keying helps prevent insertion of an incorrect module type, while the DIN-rail latch provides locking and grounding. Verify article number 3BSE042560R1, power feeds, modem pairing, single I/O arrangement and cluster address before replacement.
Condition, availability and warranty are Stockoems commercial terms.
| Manufacturer | ABB |
| Complete Part Number | TU849 |
| Manufacturer Article Number | 3BSE042560R1 |
| Product Type | S800 I/O module termination unit |
| System | ABB S800 I/O |
| Configuration | Redundant TB840/TB840A with non-redundant I/O |
| Power Input | 24 V DC, 19.2 to 30 V |
| Power Connections | Dual |
| Line Redundancy | Yes |
| Electrical ModuleBus | Single path |
| Cluster Address | Rotary switch, 1 to 7 |
| Mechanical Keys | 36 combinations |
| Mounting | Vertical or horizontal DIN rail |
| Protection Rating | IP20 |
| Dimensions | 124 × 186.5 × 47 mm |
| Weight | 0.45 kg |
| Country of Origin | SWEDEN |
| Product Condition | Original new |
| Availability | In stock |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping available |
Match article number 3BSE042560R1 and verify both TB840/TB840A modem positions, separate 24 V DC power feeds, non-redundant I/O arrangement, cluster address and mechanical key setting. Confirm the installed ModuleBus topology and cabinet documentation before changing hardware.
TU849 is a passive S800 I/O module termination unit intended for redundant TB840 or TB840A modems with non-redundant I/O.
The ABB article number is 3BSE042560R1.
Yes. It provides separate 24 V DC power connections for the two modem positions.
A rotary switch selects the cluster address from 1 to 7.
Compare the complete model, article number, modem pairing, power feeds, I/O arrangement, address and mechanical key setting.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
INDUSTRIAL AUTOMATION PROCUREMENT SUPPORT
Our team coordinates verification, inspection, documentation and delivery support for ABB TU849 procurement without promising unconfirmed quantities or lead times.
Model and suffix verification compares TU849, the order code and label details. Condition confirmation and Product and label photo confirmation are completed before dispatch planning.
Technical compatibility review Confirm redundant TB840/TB840A pairing, dual power feeds, the single ModuleBus path, cluster address and mechanical key setting.
Protective packaging, Worldwide shipping, Shipment tracking and Customs documentation are coordinated for the confirmed destination and shipment method.
Written warranty terms, a defined Return authorization process and timely After-sales response help purchasing and engineering teams maintain a clear service record.
Incoming checks focus on the model marking, order code, visible condition and supplied label photos. The team records the verification outcome, coordinates protective packing and prepares shipment paperwork appropriate to the destination.
Logistics communication covers dispatch coordination and tracking details. After delivery, buyers can contact the same service team for warranty questions, return authorization guidance and technical communication.
Ask for the complete model and suffix check, clear condition terms, label photos, written warranty scope and traceable shipment documents before approving the order.
Request the exact order code, quantity, condition statement, inspection evidence, packing plan, destination details and written return authorization procedure.
Warning signs include altered suffixes, reused photographs, unsupported compatibility claims, vague warranty language, missing shipment records and pressure to accept a different model.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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Email: sales6@apterpower.com | WhatsApp: +86 18159889985
