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Allen-Bradley · ControlLogix PLC platform
1756-EN3TR is an Allen-Bradley industrial component with Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529); Operating temperature 0...+55 °C (IEC 60068-2-1). It is used in control panels, machine builds, spare-part replacements where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Supply voltage | 24 V DC (IEC 61131-2) |
|---|---|
| Mechanical | |
| Mounting | DIN rail / panel |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the Allen-Bradley ControlLogix PLC platform specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Allen-Bradley ControlLogix PLC platform variants | |||
| Catalog number | Mounting | ||
|---|---|---|---|
| 1756-EN3TR (this page) | DIN rail / panel | ||
| 1756-EN3TRK | DIN rail / panel | ||
| 1756-EN2F | DIN rail / panel | ||
| 1756-EN2FK | DIN rail / panel | ||
Verify model-specific dimensions, terminals and installation requirements in the manufacturer documentation before selecting an alternative.
The 1756-EN3TR is the device-level element in an Allen-Bradley industrial component installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in control panels, machine builds, spare-part replacements, where the unit is matched to the original catalog number and the enclosure provides DIN rail / panel support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Allen-Bradley 1756-EN3TR EtherNet/IP Communication Module (dual ports). See the manufacturer product information for this catalog number.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Q.Where can I find the operating temperature data for 1756-EN3TR?
It is listed in the specification table for Allen-Bradley 1756-EN3TR as 0...+55 °C (IEC 60068-2-1). Check the revision of the installed unit if the catalog number has been superseded.
Q.For 1756-EN3TR, what does the specification table state about mounting?
The specification table lists mounting = DIN rail / panel for Allen-Bradley 1756-EN3TR. Compare it with the nameplate of the installed unit before ordering.
Q.Which value is published under certifications for catalog number 1756-EN3TR?
For 1756-EN3TR, certifications is given as CE, UL, cULus. Confirm this figure against the unit currently in the panel.
Q.How do I confirm compatibility of 1756-EN3TR before ordering?
Match the catalog number 1756-EN3TR and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Q.Can the 1756-EN3TR replace the unit currently installed in my panel?
Compare catalog number 1756-EN3TR and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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