ABB OT40F3C selection decision record
Start the ABB OT40F3C enquiry with a precise equipment identity and a defined plant function. The verified values below establish a technical baseline; they do not replace checking the delivered unit.
Verified parameters and fit limits
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | OT40F3C |
| Product family | OT40F3C |
| Component role | 40 A three-pole manual changeover switch |
| Type | OT40F3C |
| Order code | 1SCA104913R1001 |
| Poles | 3 |
| UL/CSA current | 40 A |
| Function | Manual changeover disconnect |
| Handle/shaft | Order separately |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
Before signing off OT40F3C, check the current ABB documentation and the actual nameplate. Family-level information must not be used as a guaranteed option for every configuration.
Which interfaces must match?
For OT40F3C, confirm source rating, transfer logic, enclosure and handle. Compare the original label, mounting, field terminals and power/control supplies with the ABB product reference.
Keep the OT40F3C electrical or network interface unchanged unless engineering has approved the revised drawing, settings and test scope.
What problem does it solve?
ABB OT40F3C is selected to select between approved power paths with an OFF position. State the actual circuit, loop or motor tag and the operating problem before deciding on a replacement.
A request for OT40F3C without site duty, installed revision or failure evidence can lead to a technically different part being offered.
What can cause a poor match?
A OT40F3C suffix or order-code difference may identify another coil, contact set, protocol, release, shaft or voltage. A matching appearance is not interchangeability evidence.
If the supplied OT40F3C differs from the approved item, quarantine it for review rather than changing field wiring to make it fit.
What changes at installation?
Installing OT40F3C may affect adjacent wiring, panel access and auxiliary accessories. Check clearance and isolate the correct energy sources under the site's permit system.
Before disturbing OT40F3C, save photos, configuration, parameter values and an alarm baseline. Keep removed parts identifiable until acceptance is signed.
What should purchasing retain?
The ABB OT40F3C record should include the complete designation, required accessories, label evidence and the current installation manual revision.
For any proposed substitute to OT40F3C, obtain written confirmation of every changed technical characteristic and the site's acceptance.
How is performance proved?
After approved installation of OT40F3C, verify source I, OFF and source II positions. Use only documented safe test methods and include connected equipment behavior.
Record the OT40F3C as-left results, asset tag, revision, date and witness. Restore alarms, interlocks and normal control before service handover.
Other codes in this same series
The following OT40F3C references can accompany an ABB OT40F3C enquiry. Suffix changes can affect ratings, fit or approvals, so none is an automatic replacement.
No other unassigned OT40F3C reference is grouped with OT40F3C in this release.
Enquiry and acceptance handoff
Quote ABB OT40F3C exactly, include the asset tag and duty, and request confirmation of any missing accessories or alternative build.
Keep the approved OT40F3C comparison, installation checks and test results in the maintenance record.
