Allen-Bradley · ControlLogix PLC platform
1756-RM2XT is an Allen-Bradley power supply with Efficiency ≥90%; Input voltage range 85...264 V AC; Supply voltage 100...240 V AC. It is used in DIN-rail control cabinets, sensor and relay supplies, backplane bus power where the installed unit is matched to the original catalog number and a compact, documented part is required.
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Efficiency≥90%
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Input voltage range85...264 V AC
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Supply voltage100...240 V AC
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Enclosure ratingIP20 (IEC 60529)
Specifications
| Electrical |
| Supply voltage |
100...240 V AC |
| Input voltage range |
85...264 V AC |
| Efficiency |
≥90% |
| Mechanical |
| Mounting |
35 mm DIN rail (IEC 60715) |
| 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.
Model comparison in the same family
| Allen-Bradley ControlLogix PLC platform variants |
| Catalog number |
Mounting |
|
1756-RM2XT (this page) |
35 mm DIN rail (IEC 60715) |
| 1756-RM2 |
DIN rail / panel |
| 1756-RM2K |
DIN rail / panel |
| 1756-RM3 |
DIN rail / panel |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
Where it sits in the control system
The 1756-RM2XT is the device-level element in an Allen-Bradley power supply installation. It receives the field signals and control supply listed above — 100...240 V AC — 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 DIN-rail control cabinets, sensor and relay supplies, backplane bus power, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Selection notes for Allen-Bradley 1756-RM2XT
Allen-Bradley 1756-RM2XT — Industrial automation component supplied as a like-for-like replacement, selected by catalog number and published ratings. The figures below are taken from the specification table on this page for catalog number 1756-RM2XT; record the nameplate data of the unit being replaced before selecting an equivalent.
- Operating temperature: 0...+55 °C (IEC 60068-2-1) — Verify it in the project documentation before confirming the order.
- Certifications: CE, UL, cULus — Check this value against the nameplate of the installed unit before ordering.
- Supply voltage: 100...240 V AC — Match it to the existing panel and upstream protection.
- Efficiency: ≥90% — Record it with the other nameplate data when sourcing a replacement.
Datasheets and compliance documents are available on request; quote the full catalog number when enquiring.
Common questions about 1756-RM2XT
Q.Where can I find the operating temperature data for 1756-RM2XT?
It is listed in the specification table for Allen-Bradley 1756-RM2XT as 0...+55 °C (IEC 60068-2-1). Confirm this figure against the unit currently in the panel.
Q.For 1756-RM2XT, what does the specification table state about efficiency?
The specification table lists efficiency = ≥90% for Allen-Bradley 1756-RM2XT. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under enclosure rating for catalog number 1756-RM2XT?
For 1756-RM2XT, enclosure rating is given as IP20 (IEC 60529). Check the revision of the installed unit if the catalog number has been superseded.
Q.What should I include in an enquiry for 1756-RM2XT?
Send the full catalog number 1756-RM2XT, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Allen-Bradley 1756-RM2XT.
Q.How do I confirm compatibility of 1756-RM2XT before ordering?
Match the catalog number 1756-RM2XT and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.