ABB OT400E03CP field acceptance and specification notes
ABB OT400E03CP selection begins with the exact device identity and its assigned function. The values in the following table are a starting point for checking the delivered unit, not a substitute for the nameplate.
Technical identification and decision points
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | OT400E03CP |
| Product family | OT400E03CP |
| Component role | three-pole manual changeover switch |
| Type | OT400E03CP |
| ABB order code | 1SCA022771R8500 |
| Poles | 3 |
| Current class | 400 A |
| Operation | Manual I–O–II changeover |
| Transfer boundary | Do not parallel source I and source II |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
Confirm ABB OT400E03CP against the current ABB documentation and the actual plant duty. A range or capability from another variant must not be assumed for this exact build.
Interface evidence
Before ABB OT400E03CP is ordered, compare source voltages, mechanical arrangement, neutral policy and utilization duty. Capture the installed nameplate, a clear terminal photograph and the cabinet drawing revision.
A visual resemblance to ABB OT400E03CP is not proof of equivalent contacts, voltage, communication, release, connector orientation or certification.
Equipment duty and scope
ABB OT400E03CP is considered where the site needs to select one of two approved feeder sources through an OFF position. Record the asset tag, circuit or loop boundary, and reason for the change before specifying a replacement.
The ABB OT400E03CP procurement request should distinguish the physical device from any separate accessories, configuration files, protection devices and installation materials.
Work package
The ABB OT400E03CP work package needs isolation, access, disconnection and restoration steps approved for this plant. Preserve the original wiring marks and any usable settings backup.
During ABB OT400E03CP installation, verify adjacent equipment clearance and protective bonding without altering an approved design solely to fit a substitute.
Commissioning evidence
After fitting ABB OT400E03CP, verify source I, center OFF and source II indication. Use the site's approved safe test procedure and observe all connected interlocks and indications.
Log the ABB OT400E03CP serial or revision, test result, date, and witness. Restore normal operating mode only after the relevant process owner accepts the change.
Failure and mismatch review
If ABB OT400E03CP was requested after a fault, document the symptom and tests that separated component failure from wiring, supply, configuration or upstream protection problems.
If the delivered ABB OT400E03CP differs from the ordered complete designation, hold it for engineering comparison. Do not treat a family name as an interchangeability approval.
Purchasing handoff
Quote ABB OT400E03CP exactly and attach the current ABB reference alongside the equipment label. Ask the supplier to state any order-code, revision or accessory differences.
Keep a traceable ABB OT400E03CP comparison with the installed part and require written approval for alternatives that change electrical or control behavior.
Related configurations in this series
These OT400E03CP references belong to the same product grouping as ABB OT400E03CP, but ratings and included parts can differ. Match the entire designation before treating one as a replacement.
No other unassigned OT400E03CP reference is grouped with ABB OT400E03CP in this release.
Acceptance record
For ABB OT400E03CP, retain the final order code, supplied revision, installation findings and functional test evidence.
If ABB OT400E03CP is rejected or substituted, keep the reason and the approved disposition with the asset record.
