ABB TB826 field identification and technical fit
ABB TB826 is documented here as an exact equipment reference for selection, changeover and service. Confirm the full label and application before treating another code as equivalent.
Technical data and selection boundary
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | TB826 |
| Product family | TB826 |
| Component role | single-mode optical ModuleBus media converter |
| Type | TB826 |
| Article | 3BSE061637R1 |
| Bus | S800 ModuleBus |
| Fiber | Plastic/HCS to single-mode glass optical fiber |
| Distance | Up to 5000 m per cluster in specified star arrangement |
| Mounting | DIN rail |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The verified ABB information for TB826 is shown above. Values tied to a series or catalog configuration still need to be checked against the supplied unit and its current documentation.
Asset match
ABB TB826 should be matched to a specific asset tag, duty and installed hardware revision. Record why the part is needed and capture a clear nameplate image before requesting an offer.
For TB826, the order description is only one checkpoint. The approved drawings and actual installation determine which connection, control and protection details must be retained.
Functional role
Use TB826 to extend the approved S800 optical ModuleBus link. Confirm the operational sequence and the equipment connected to it so a superficially similar series member is not accepted as an automatic replacement.
If TB826 is part of a safety, motor or process control function, review the complete system response rather than checking the isolated component alone.
Interfaces to compare
Before ordering TB826, verify optical connector, fiber loss, segment length and station topology. Compare terminals, mount, supply, accessories and revision with the installed unit and current ABB documentation.
An alternative to TB826 should not be released until the engineering owner has documented each changed interface and the required approval.
Removal and preparation
Prepare the work around TB826 using the site's isolation, lockout and permit rules. Save settings, wiring photographs and diagnostics before removing the existing item.
For TB826, reserve the necessary panel space, access to terminals and any separately ordered shaft, base, connector or protection accessory.
Receipt and identification
At receipt, compare the shipped TB826 label, suffix, order code and hardware build with the approved purchase request. Inspect for handling damage and missing accessories.
Hold TB826 from installation if coil voltage, release, fiber type, contact arrangement or approval differs from the intended specification.
Commissioning evidence
After installing TB826, verify link indication and remote I/O communication. Use the manufacturer's procedure and a site-approved test plan; do not energize a connected load simply to identify an unknown variant.
Record the as-left settings, test observations, date and approver for TB826. Remove any temporary bypass and restore normal alarms before handover.
Handover and spares
File the ABB TB826 purchase identity with the asset record, drawing revision and maintenance notes. This keeps future enquiries tied to the actual installed configuration.
Monitor TB826 during its first operating period for unexpected trips, heating, I/O faults or abnormal switching and resolve deviations through the normal change process.
Same-series reference codes
The following TB826 codes can be raised with an ABB TB826 enquiry. Different suffixes can change ratings, contacts, approvals or fit; do not assume interchangeability.
No additional unassigned TB826 code is grouped with TB826 at this time.
Request-for-quote details
Quote ABB TB826 exactly, with the asset tag, installed label, required quantity and commissioning constraints. Ask the supplier to state any deviation explicitly.
Keep the final TB826 approval and inspection record with the plant spare-parts file.
