1756-PB75RK
ControlLogix DC Redundant Power Supply
Product at a glance
Product at a glance
| Connection Cables | 1756-CPR2 |
|---|---|
| Output Voltage and Current | 5V DC @ 13A, 3.3V DC @ 4A, 1.2V DC @ 1.5A, 24V DC @ 2.8A |
| Redundant Configuration | True |
| Type of voltage (input voltage) | DC |
|---|---|
| Power output | 75 W |
| Output voltage at DC | 5.1 V |
| Input voltage at DC | 18 V |
| Input voltage, nom | 24V DC |
| Inrush current, max | 30 A |
| Input power, max | 110 W |
| Current capacity | 4A @ 3.3V DC |
| Power output, max | 75 W @ 0...60 °C (32...140 °F) |
| Annunciator power | 90V DC for ATEX/IECEx |
| Wire category | 3 - on annunciator ports, 1 - on power ports, 3 - on 1756-CPR2 connections |
| Hold-up time | 20 ms |
| Wire size | Power: 2.5 mm² (14 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation max, Annunciator: 0.25…2.5 mm² (22 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulat |
| Suitable for safety functions | False |
| Type of output voltage | DC |
| Redundancy capable | False |
| Pilot duty rating | Annunciator - not rated |
| Width | 145 mm |
|---|---|
| Height | 175 mm |
| Depth | 137 mm |
| Enclosure type rating | None (open-style) |
|---|---|
| Weight | 1.45 kg |
| ISAGX | False |
| Rockwell tire and rubber rated | False |
| Conductor screw torque | 0.565 nm |
| Vibration | 2 G @ 10...500 Hz |
|---|---|
| Relative humidity | 5...95% noncondensing |
| Shock | Operating: 30 G |
| Operating temperature | 0 to 60 °C |
| Voltage variation | IEC 61000-4-29: 10 ms interruption on DC supply ports, 60% dips for 100 ms on DC supply ports, 100% dips for 50 ms on DC supply ports, ±20% fluctuations for 15 min on DC supply ports, 5 s interruptions on DC supply ports |
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| Type | Resource | Publication |
|---|---|---|
| General | Technical Detail | 1756-SR003 |
| General | Product Profile | -- |
| General | Product Cutsheet | -- |
| Installation Instructions | 1756-in620_-en-p | 1756-IN620 |
| Technical Data | 1756-td005_-en-e | 1756-TD005 |
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- ATEX
- CE
- Australian RCM
- IECEx Scheme
This product was certified with the above certifications as of 2025-07-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Technical Specifications
| Connection Cables | 1756-CPR2 |
|---|---|
| Output Voltage and Current | 5V DC @ 13A, 3.3V DC @ 4A, 1.2V DC @ 1.5A, 24V DC @ 2.8A |
| Redundant Configuration | True |
| Type of voltage (input voltage) | DC |
|---|---|
| Power output | 75 W |
| Output voltage at DC | 5.1 V |
| Input voltage at DC | 18 V |
| Input voltage, nom | 24V DC |
| Inrush current, max | 30 A |
| Input power, max | 110 W |
| Current capacity | 4A @ 3.3V DC |
| Power output, max | 75 W @ 0...60 °C (32...140 °F) |
| Annunciator power | 90V DC for ATEX/IECEx |
| Wire category | 3 - on annunciator ports, 1 - on power ports, 3 - on 1756-CPR2 connections |
| Hold-up time | 20 ms |
| Wire size | Power: 2.5 mm² (14 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation max, Annunciator: 0.25…2.5 mm² (22 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulat |
| Suitable for safety functions | False |
| Type of output voltage | DC |
| Redundancy capable | False |
| Pilot duty rating | Annunciator - not rated |
| Width | 145 mm |
|---|---|
| Height | 175 mm |
| Depth | 137 mm |
| Enclosure type rating | None (open-style) |
|---|---|
| Weight | 1.45 kg |
| ISAGX | False |
| Rockwell tire and rubber rated | False |
| Conductor screw torque | 0.565 nm |
| Vibration | 2 G @ 10...500 Hz |
|---|---|
| Relative humidity | 5...95% noncondensing |
| Shock | Operating: 30 G |
| Operating temperature | 0 to 60 °C |
| Voltage variation | IEC 61000-4-29: 10 ms interruption on DC supply ports, 60% dips for 100 ms on DC supply ports, 100% dips for 50 ms on DC supply ports, ±20% fluctuations for 15 min on DC supply ports, 5 s interruptions on DC supply ports |
Drawings
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Documents
|
Technical Detail
General
1756-SR003 |
|
Product Profile
General
-- |
|
Product Cutsheet
General
-- |
|
1756-in620_-en-p
Installation Instructions
1756-IN620 |
|
1756-td005_-en-e
Technical Data
1756-TD005 |
| Type | Resource | Publication |
|---|---|---|
| General | Technical Detail | 1756-SR003 |
| General | Product Profile | -- |
| General | Product Cutsheet | -- |
| Installation Instructions | 1756-in620_-en-p | 1756-IN620 |
| Technical Data | 1756-td005_-en-e | 1756-TD005 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Certifications
- ATEX
- CE
- Australian RCM
- IECEx Scheme
This product was certified with the above certifications as of 2025-07-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
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