Schneider DOMR01440: Domae four-pole residual-current circuit breaker and technical selection record
DOMR01440 is treated here as a precise enquiry designation for the Domae four-pole residual-current circuit breaker. The shared category image is a visual reference, not a photograph of the exact DOMR01440 configuration. Confirm the ordered version against the installed label before treating an illustration or shortened description as product evidence.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | DOMR01440 |
| Product identity | Domae four-pole residual-current circuit breaker |
| Poles | 4P |
| Rated current | 40 A |
| Residual sensitivity | 30 mA; AC type |
| Evidence | Named by Schneider as replacement for DOM11029 |
| Required site confirmation | Nameplate, revision, connection, mounting and application drawing |
Application boundary
Start with the actual job of DOMR01440 in the equipment. Record the supply or signal path, the connected load or network, installation position, and applicable site drawing. The purpose of this check is to keep the DOMR01440 enquiry tied to the installed system rather than a similar-looking catalog item.
Where the DOMR01440 designation is abbreviated or derived from a replacement listing, do not silently extend it to a complete ordering code. Ask for a photograph of the original rating plate and an offer that shows the full manufacturer's designation. A purchase description should state unresolved options explicitly.
Buyer verification sequence
Check the DOMR01440 electrical interface against the existing installation: supply, signal, bus or protection requirements as relevant to this item. Identify connected accessories and downstream devices. For any proposed substitution for DOMR01440, obtain written confirmation of interface and approval differences before release.
Review the mechanical fit of DOMR01440 including panel space, rail or rack position, terminal access, cable bend radius, environmental exposure and service clearance. These checks are especially important when an older DOMR01440 unit is replaced from remaining stock or a different production revision.
Require exact code, condition, origin, revision, included accessories, warranty terms and a documented acceptance route.
Receiving and commissioning
On delivery, match the DOMR01440 nameplate with the purchase order. Inspect packaging, connector keys, terminals and signs of repair. Photograph any discrepancy and hold installation until the responsible engineer determines whether the delivered DOMR01440 is acceptable.
Qualified personnel should isolate the circuit or system before work on DOMR01440, follow the manufacturer instructions, and test the actual application after installation. Log the final configuration, measured result and any firmware or parameter backup so that future maintenance staff can trace the DOMR01440 decision.
Related-code enquiry scope
No additional unassigned DOMR code is included with DOMR01440 here. This is an editorial grouping boundary, not a claim that DOMR01440 has no other variants or replacement candidates.
Decision record
Keep the DOMR01440 manufacturer evidence, installed label, quotation and acceptance result together. If the proposed DOMR01440 supply lacks one of these items, flag the gap in the enquiry and obtain the missing confirmation before purchase or installation.
For a maintenance replacement, state why DOMR01440 matches the equipment and what remains conditional. Technical approval belongs to the site engineer; this page helps a buyer collect the facts needed to make that approval traceable.
