TF140DU-110: component role and practical integration notes
TF140DU-110 is the specified thermal motor-overload relay. Specify TF140DU-110 by its complete designation, because visual similarity or a partial family number does not prove electrical or mechanical interchangeability.
Technical identification and selection data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | TF140DU-110 |
| Product family | TF140DU |
| Component role | thermal motor-overload relay |
| Current setting | 80 to 110 A; verify dial and revision |
| Trip class | 10A family |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
For TF140DU-110, the table separates confirmed family or type-code facts from items requiring the actual nameplate and installed option record. Do not assume another unit has the same interfaces.
Interface and compatibility route
Before approving TF140DU-110, Compare the motor current, contactor pairing, ambient conditions and short-circuit protective device with ABB coordination data.
Compare the mating equipment, terminals, wiring diagram, supply, firmware or accessory choices as applicable to TF140DU-110. Resolve every mismatch before a purchase order or installation work package is released.
Where this component fits
Use TF140DU-110 in the intended system context: Protect the motor against sustained overload and phase failure with a relay matched to the starter frame.
Document the equipment served by TF140DU-110, the normal load or signal, the site environment and the reason this component was selected. A replacement must preserve that function, not just fit the available space.
Acceptance and service handover
For the installed TF140DU-110, Check setting, trip contacts, reset choice and the stop response during a controlled feeder test.
Capture the observed behavior, settings, installed revision and fault status of TF140DU-110. Keep those findings with the plant asset record so a later service team can distinguish this exact code from a related option.
Same-family ordering references
The following codes share the TF140DU grouping with TF140DU-110. They may differ in rating, wiring, software, safety approval or accessories and are not automatic substitutes.
- TF140DU-142
Quotation checklist
Quote TF140DU-110 exactly. Include quantity, nameplate photo, installed hardware revision, drawings and the operating conditions. Ask the supplier to state in writing whether the offered item is the same full code or a separately approved alternative.
Before returning equipment to service with TF140DU-110, confirm protective devices, terminal assignment, safety functions and the accepted test record. Preserve the final code in purchasing and maintenance systems.
