Schneider 3DM2-WRDUWZ: EOCR digital motor protection relay and technical selection record
3DM2-WRDUWZ is treated here as a precise enquiry designation for the EOCR digital motor protection relay. The shared category image is a visual reference, not a photograph of the exact 3DM2-WRDUWZ 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 | 3DM2-WRDUWZ |
| Product identity | EOCR digital motor protection relay |
| Current setting range | 0.5–60 A, as identified in the manufacturer listing |
| Control supply | 100–240 V AC/DC, per manufacturer listing |
| Connection | Window current-sensing arrangement; confirm wiring drawing |
| Required site confirmation | Nameplate, revision, connection, mounting and application drawing |
Ordering identity first
Quote the complete 3DM2-WRDUWZ string in the request, order and receiving record. Compare label typography, suffixes and revision markings character by character. A code sharing the 3DM2 pattern may have a different function, fitted interface or approval, and must not be assumed interchangeable with 3DM2-WRDUWZ.
For 3DM2-WRDUWZ, inspect the physical unit and collect the relevant manufacturer sheet, system manual and approved drawing. Keep product facts separate from open questions: if an installation dimension, terminal assignment or variant option is not documented, mark it for engineering review rather than filling the gap with a generic family value.
System fit review
Check the 3DM2-WRDUWZ 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 3DM2-WRDUWZ, obtain written confirmation of interface and approval differences before release.
Review the mechanical fit of 3DM2-WRDUWZ 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 3DM2-WRDUWZ 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 3DM2-WRDUWZ 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 3DM2-WRDUWZ is acceptable.
Qualified personnel should isolate the circuit or system before work on 3DM2-WRDUWZ, 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 3DM2-WRDUWZ decision.
Related-code enquiry scope
No additional unassigned 3DM2 code is included with 3DM2-WRDUWZ here. This is an editorial grouping boundary, not a claim that 3DM2-WRDUWZ has no other variants or replacement candidates.
Decision record
Keep the 3DM2-WRDUWZ manufacturer evidence, installed label, quotation and acceptance result together. If the proposed 3DM2-WRDUWZ 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 3DM2-WRDUWZ 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.
