1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
    1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
    1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
    1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
    1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
    1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output
1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output

1769-PB4 | Allen-Bradley CompactLogix Power Supply 24VDC Input, 4A@5V DC Output

Part #: 1769-PB4 Manufactured by: Allen-Bradley
Regular price
$347.00
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$347.00
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Condition: New-Surplus Original Box
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Product Overview
The 1769-PB4 power supply provides stable and efficient DC power for Allen-Bradley Compact I/O systems. Its compact form, ...  Read more
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Product Description P/N: 1769-PB4

Description / Specifications

Description 

The Allen-Bradley 1769-PB4 is a Compact I/O power supply designed to provide regulated DC power for CompactLogix and Compact I/O modules. It supports input voltages of 19.2–31.2 VDC and delivers 4 A at 5 VDC and 2 A at 24 VDC for reliable system operation.

 

 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1769-PB4
Current capacity @ 24V 2.0 A
Current capacity @ 5V 4.0 A
Power dissipation 14.5 W @ 60° C (140° F)
Power consumption 100 VA @ 24V DC
Input Voltage Range 19.2-31.2VDC
Nom Input Voltage 24VDC
Inrush current, max 30 A @ 31.2V DC
Isolation Voltage 75V (continuous), reinforced insulation type (IEC Class 1 grounding required) Routine tested at 1697V DC for 1 s, DC power input to system
Fuse Type Wickmann 19193-6.3A Littelfuse 021706.3MXP
Module location DIN rail or panel mount
Module Type Power Supply
Dimensions 118 x 70 x 87 mm (4.65 x 2.76 x 3.43 in.)
Product Line CompactLogix
Input Power 24 Volts DC
Enclosure Open
Mounting Panel or DIN Rail
Power Supply Distance Rating 8 Modules
Wire Type Copper-90
Solid Wire Size 22 to 14 AWG
Operating shock 20G
Stranded Wire Size 22 to 16 AWG

  

 

Information About 1769-PB4

The 1769-PB4 is part of the Allen-Bradley 1769 Compact I/O family, developed to supply power to I/O and controller modules within automation systems. This module operates with a nominal input of 24 VDC and supports up to 16 I/O modules, with eight on either side. It has a maximum inrush current of 30 A, a continuous isolation voltage rating of 75 V, and is routine tested at 1697 VDC for insulation integrity. With power consumption of 100 VA at 24 VDC and power dissipation of 14.5 W at 60 °C, the unit ensures safe and efficient operation. Designed for panel or DIN rail mounting, it features internal fuses for protection and supports recommended wiring practices to maintain system safety and performance.

Key Features:

  • Input Voltage Range: Accepts 19.2–31.2 VDC with a nominal input of 24 VDC for flexible power sourcing.
  • Current Supply: Provides 4 A at 5 VDC and 2 A at 24 VDC, meeting the needs of connected I/O and control modules.
  • Module Support: Powers up to 16 I/O modules, allowing eight on each side for scalable configurations.
  • Electrical Protection: Equipped with internal fuses (Wickmann 19193-6.3A or Littelfuse 021706.3MXP) for system safety.
  • Inrush Current: Handles up to 30 A at 31.2 VDC to accommodate startup loads without disruption.
  • Isolation: Rated for 75 V continuous with reinforced insulation, routine tested at 1697 VDC for reliability.
  • Power Efficiency: Consumes 100 VA at 24 VDC and dissipates 14.5 W at 60 °C for stable performance.
  • Installation: Compact design (118 × 70 × 87 mm) for DIN rail or panel mounting with recommended 14 AWG copper wiring.

The 1769-PB4 delivers the reliability and precision required for powering CompactLogix and Compact I/O automation systems.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1769-PB4
Question: What is the 1769-PB4?
Date Update:30/05/2025
Answer:

The 1769-PB4 is a CompactLogix power supply used in 1769-series CompactLogix systems. It provides 24V DC power to the CompactLogix I/O modules and controller within the system. The power supply is essential for the operation of the system, ensuring the controller and its associated modules receive the appropriate voltage for proper function.

Question: Where can I find the manual for the 1769-PB4?
Date Update:30/05/2025
Answer:

The manual for the 1769-PB4 can be found on the Rockwell Automation website under the Product Documentation section. The manual contains detailed information on the installation, wiring, specifications, and troubleshooting. It also provides diagrams for proper mounting and connection procedures.

Question: How do I wire the 1769-PB4 power supply?
Date Update:30/05/2025
Answer:

Wiring the 1769-PB4 involves the following steps:

  1. AC Power Supply Wiring:
    Connect the L (Live) terminal to the live AC power line.
    Connect the N (Neutral) terminal to the neutral AC power line.
    Ensure the grounding terminal (G) is securely connected to earth ground for safety.
  2. 24V DC Output Wiring:
    Connect the 24V DC output terminal to the +24V DC input of the CompactLogix controller or the connected I/O modules.
    Connect the Common (COM) terminal to the ground of the CompactLogix system.
  3. Status LEDs:
    Ensure the green LED is illuminated, indicating that the power supply is functioning correctly. If the red LED is on, it indicates a fault.

Wiring diagrams are provided in the manual, which should be followed carefully to ensure proper power connections.

Question: Can the 1769-PB4 be used with other Allen-Bradley controllers?
Date Update:30/05/2025
Answer:

The 1769-PB4 is designed specifically for use with 1769-series CompactLogix controllers and I/O modules. It is not compatible with ControlLogix or FlexLogix controllers, which use different power supplies. For use with other Allen-Bradley systems, you would need to use the appropriate power supply designed for those specific models.

Question: How do I reset the 1769-PB4 power supply after a fault?
Date Update:30/05/2025
Answer:

If the 1769-PB4 experiences a fault:

  1. Power cycle the system: Turn off the AC power supply, wait for a few seconds, and then power the system back on.
  2. Check the wiring: Verify that the wiring is correct and there are no short circuits or overloaded connections.
  3. Clear the fault: If the red LED persists after resetting, check for any excessive load on the 24V DC output or any issues with the connected modules.

If the problem continues, refer to the manual for detailed diagnostic and troubleshooting steps.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1769-PB4 is a Compact I/O power supply designed to provide regulated DC power for CompactLogix and Compact I/O modules. It supports input voltages of 19.2–31.2 VDC and delivers 4 A at 5 VDC and 2 A at 24 VDC for reliable system operation.

 

 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1769-PB4
Current capacity @ 24V 2.0 A
Current capacity @ 5V 4.0 A
Power dissipation 14.5 W @ 60° C (140° F)
Power consumption 100 VA @ 24V DC
Input Voltage Range 19.2-31.2VDC
Nom Input Voltage 24VDC
Inrush current, max 30 A @ 31.2V DC
Isolation Voltage 75V (continuous), reinforced insulation type (IEC Class 1 grounding required) Routine tested at 1697V DC for 1 s, DC power input to system
Fuse Type Wickmann 19193-6.3A Littelfuse 021706.3MXP
Module location DIN rail or panel mount
Module Type Power Supply
Dimensions 118 x 70 x 87 mm (4.65 x 2.76 x 3.43 in.)
Product Line CompactLogix
Input Power 24 Volts DC
Enclosure Open
Mounting Panel or DIN Rail
Power Supply Distance Rating 8 Modules
Wire Type Copper-90
Solid Wire Size 22 to 14 AWG
Operating shock 20G
Stranded Wire Size 22 to 16 AWG

  

 

Information About 1769-PB4

The 1769-PB4 is part of the Allen-Bradley 1769 Compact I/O family, developed to supply power to I/O and controller modules within automation systems. This module operates with a nominal input of 24 VDC and supports up to 16 I/O modules, with eight on either side. It has a maximum inrush current of 30 A, a continuous isolation voltage rating of 75 V, and is routine tested at 1697 VDC for insulation integrity. With power consumption of 100 VA at 24 VDC and power dissipation of 14.5 W at 60 °C, the unit ensures safe and efficient operation. Designed for panel or DIN rail mounting, it features internal fuses for protection and supports recommended wiring practices to maintain system safety and performance.

Key Features:

  • Input Voltage Range: Accepts 19.2–31.2 VDC with a nominal input of 24 VDC for flexible power sourcing.
  • Current Supply: Provides 4 A at 5 VDC and 2 A at 24 VDC, meeting the needs of connected I/O and control modules.
  • Module Support: Powers up to 16 I/O modules, allowing eight on each side for scalable configurations.
  • Electrical Protection: Equipped with internal fuses (Wickmann 19193-6.3A or Littelfuse 021706.3MXP) for system safety.
  • Inrush Current: Handles up to 30 A at 31.2 VDC to accommodate startup loads without disruption.
  • Isolation: Rated for 75 V continuous with reinforced insulation, routine tested at 1697 VDC for reliability.
  • Power Efficiency: Consumes 100 VA at 24 VDC and dissipates 14.5 W at 60 °C for stable performance.
  • Installation: Compact design (118 × 70 × 87 mm) for DIN rail or panel mounting with recommended 14 AWG copper wiring.

The 1769-PB4 delivers the reliability and precision required for powering CompactLogix and Compact I/O automation systems.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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