DB25S female CEX-Bus termination for communication interfaces installed across adjacent DIN rails.
ABB TB851 is a CEX-Bus terminator used when AC 800M communication interface units are installed on adjacent DIN rails. ABB specifies that the interfaces are connected by a TK850 CEX-Bus extension cable and terminated with TB851. The terminator uses a 25-pin DB25S female connector with screw fixing. It is a bus accessory for ABB Ability System 800xA and AC 800M controller hardware. Selection should be checked against the exact article number 3BSC950194R1, cable arrangement and connector orientation. Condition, availability and warranty displayed here are Stockoems commercial terms only.
| Manufacturer | ABB |
|---|---|
| Complete Part Number | TB851 |
| Manufacturer Order Code | 3BSC950194R1 |
| Product Type | CEX-Bus Terminator |
| System | ABB Ability System 800xA / AC 800M |
| Application | CEX-Bus extension across adjacent DIN rails |
| Connector | 25-pin DB25S female |
| Fixing | Screw fixing |
| Associated Cable | TK850 CEX-Bus extension cable |
| Commercial Terms | Original new · In stock · With 1 year warranty |
| Shipping | Worldwide |
| Country of Origin | SWEDEN |
Verify complete part number TB851 and article number 3BSC950194R1 against the installed CEX-Bus topology, TK850 extension cable, DB25S connector orientation and screw fixing. Similar-looking terminators serve different bus positions and must not be substituted by appearance. Product and label photos should be checked before dispatch.
TB851 is an ABB CEX-Bus terminator for AC 800M communication interface installations.
It accepts dual TK850 extension cables and supplies one 24 V DC output rated at 20 A.
It has a 25-pin DB25S female connector with screw fixing.
ABB identifies the TK850 CEX-Bus extension cable for the adjacent-rail connection.
Check the model, article number, CEX-Bus position, connector orientation and label photos.
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
A documented service path for TB851 sourcing, inspection, compatibility review, packaging, logistics and follow-up.
Model and suffix verification, product and label photo confirmation, plus condition confirmation before shipment planning.
Technical compatibility review covers the complete article number, CEX-Bus position, TK850 cable, connector orientation and available documentation.
Protective packaging, worldwide shipping, shipment tracking and customs documentation are coordinated for the destination.
Ask for the exact model and suffix, clear label and product photos, written condition details, compatibility review boundaries, packaging controls, shipment tracking and warranty terms.
Verify the article number, CEX-Bus topology, adjacent-rail cable arrangement, DB25S connector and fixing against the project documentation.
Be cautious when a seller avoids suffix checks, refuses current label photos, promises unsupported interchangeability, omits written warranty terms or cannot explain return authorization.
Share the complete model, order code, required quantity, destination and available label photos for a structured review.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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