F204 A-40/0.03 AP-R: residual-current selection and four-pole wiring
ABB F204 A-40/0.03 AP-R is a four-pole Type A residual-current circuit breaker rated 40 A with 30 mA residual sensitivity. ABB catalog and product information identify the AP-R variant under order code 2CSF204401R1400.
Technical data for identification
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | F204 A-40/0.03 AP-R |
| ABB order code | 2CSF204401R1400 |
| Poles | 4 |
| Rated current | 40 A |
| Rated residual current | 30 mA |
| Residual-current type | A |
| Variant | AP-R high-immunity family; confirm local standard |
For a low-voltage control or protection device, distinguish its stated function from the other devices in the feeder. Confirm supply, load category, wiring diagram, upstream coordination and required local approvals.
Order-code and compatibility review
For F204 A-40/0.03 AP-R, Check upstream overload and short-circuit protection separately, because an RCCB does not replace them. Confirm line and neutral routing, busbar type, fault-level coordination, test accessibility and the standard applicable to the installation.
Before substituting F204 A-40/0.03 AP-R, compare the complete label with the engineering drawing, ABB configuration data, installed accessories and site approval record. A partial designation or a similar enclosure cannot establish interchangeability.
Verification checklist
- Match nameplate and order code.
- Check site electrical or process limits.
- Prove interfaces and protective response.
Where this configuration fits
F204 A-40/0.03 AP-R should be assessed in the actual equipment arrangement. A four-pole RCCB must match the phase and neutral arrangement, connected equipment and the required residual-current waveform. Consider normal leakage, electronic loads and the need to limit unwanted trips without reducing protection below the installation requirement.
A request for F204 A-40/0.03 AP-R should identify the host system, process or motor duty, available supply and the expected normal and fault behavior. This makes the selection review specific to the installed equipment.
Related configuration references
The following F204 A-40/0.03 AP-R family references are identification aids. Ratings, options and approvals can differ; each complete designation needs its own review.
No additional same-series code is presented for F204 A-40/0.03 AP-R; verify the exact order designation before buying.
Field checks and acceptance
Commissioning of F204 A-40/0.03 AP-R should follow a controlled procedure. Isolate the circuit and identify every downstream neutral. After mounting, verify terminal tightening, phase sequence, neutral continuity and the prescribed residual-current trip test. Record the protected circuits and test result.
Capture the as-left settings, test points, abnormal-state response and revision of F204 A-40/0.03 AP-R. Include photographs of its nameplate and terminal arrangement so the next service event can be traced.
Information to send with a replacement inquiry
Provide the exact model F204 A-40/0.03 AP-R, quantity, serial or revision, application conditions, required connection and approval, and a legible nameplate photograph. Ask for confirmation of accessories and any approved successor.
Keep F204 A-40/0.03 AP-R in the asset register and maintenance record as the exact search phrase. Record who approved the selected device, what was tested and whether the installed configuration differs from the base family specification.
Final engineering decision
Approve F204 A-40/0.03 AP-R only when the verified ratings and ordered options match the equipment record. Resolve every discrepancy in code, connection, supply, firmware or process limit before energizing the system.
The published family values for F204 A-40/0.03 AP-R support identification and initial selection. The device nameplate, matching ABB instructions and the site's approved design determine final suitability.
