Allen-Bradley · ControlLogix PLC platform
1756-PBR2K is an Allen-Bradley power supply with Efficiency ≥90%; Input voltage range 85...264 V AC; Enclosure rating IP20 (IEC 60529). 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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Enclosure ratingIP20 (IEC 60529)
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Mounting35 mm DIN rail (IEC 60715)
Specifications
| Electrical |
| 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
Verify model-specific dimensions, terminals and installation requirements in the manufacturer documentation before selecting an alternative.
Where it sits in the control system
The 1756-PBR2K is the device-level element in an Allen-Bradley power supply installation. It receives the field signals and control supply listed above — the rated supply — 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-PBR2K
Allen-Bradley 1756-PBR2K Power Supply Bundle (conformally coated). See the manufacturer product information for this catalog number.
- Operating temperature: 0...+55 °C (IEC 60068-2-1) — Verify it in the project documentation before confirming the order.
- Mounting: 35 mm DIN rail (IEC 60715) — Check this value against the nameplate of the installed unit before ordering.
- Certifications: CE, UL, cULus — Match it to the existing panel and upstream protection.
- Input voltage range: 85...264 V AC — Record it with the other nameplate data when sourcing a replacement.
Cross-check the ratings above with the installed device before confirming the order.
Common questions about 1756-PBR2K
Q.For 1756-PBR2K, what does the specification table state about operating temperature?
The specification table lists operating temperature = 0...+55 °C (IEC 60068-2-1) for Allen-Bradley 1756-PBR2K. Compare it with the nameplate of the installed unit before ordering.
Q.Which value is published under mounting for catalog number 1756-PBR2K?
For 1756-PBR2K, mounting is given as 35 mm DIN rail (IEC 60715). Confirm this figure against the unit currently in the panel.
Q.Before ordering 1756-PBR2K, which enclosure rating entry should be checked?
The enclosure rating entry quoted above is IP20 (IEC 60529). Use the value as the reference when sourcing a current-production equivalent.
Q.What should I include in an enquiry for 1756-PBR2K?
Send the full catalog number 1756-PBR2K, 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-PBR2K.
Q.How do I confirm compatibility of 1756-PBR2K before ordering?
Match the catalog number 1756-PBR2K and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.