1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
    1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
    1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply
1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply

1756-PB75R | Allen-Bradley ControlLogix Rack Mount Redundant Power Supply

Part #: 1756-PB75R Manufactured by: Allen-Bradley
Regular price
$929.00
Sale price
$929.00
Regular price
9 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
Allen Bradley 1756-PB75R Power Supply,ControlLogix,DC ,19 32V DC Input,5V at 13 A Output, Redundant
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Product Description P/N: 1756-PB75R

Description / Specifications

Description 

The Allen-Bradley 1756-PB75R is a ControlLogix redundant power supply module designed to deliver reliable DC power to ControlLogix chassis. It provides 75W of output power with built-in redundancy capability to ensure continuous operation in critical control applications.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1756-PB75R
Compatible chassis 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17
Current capacity @ 24 V  2.8A
Current capacity @ 5.1 V  13A
Current capacity @ 3.3 V 4A
Current capacity @ 1.2 V 1.5A
Output power 75 W @ 0…60 °C (32…140 °F)
Inrush Current, max. 30 A
Nominal supply Voltage 24VDC
Input supply voltage range 18-32VDC
Module Type Redundant Power Supply
Dimensions 17.5 x 14.5 x 13.7 cm (6.9 x 5.7 x 5.4 in.)
Series ControlLogix
Input Voltage 24 Volts DC
Voltage Range 19-32 Volts DC
Input Power 110 Watts
Power Output 75 Watts at 60 Celsius
Chassis Series B
Location Panel Mounted
Operating Temperature 32-140 Fahrenheit (0-60 Celsius)
Enclosure None

  

 

Information About 1756-PB75R

The 1756-PB75R is part of the Allen-Bradley ControlLogix 1756 series, developed to support modular and high-performance automation systems. This power supply accepts 24V DC nominal input and delivers up to 75W of backplane power for system modules. As a redundant-rated unit, it can be paired with another 1756-PB75R to provide fault-tolerant power supply operation, minimizing downtime in critical applications. The module installs directly into the left-most slot of a ControlLogix chassis and includes status indicators for input, output, and fault conditions. Compact and rugged, the 1756-PB75R is engineered to provide stable, reliable power for demanding automation environments.

Key Features:

  • Design: Redundant-rated power supply module for ControlLogix chassis.
  • Input Voltage: Operates from 24V DC nominal supply.
  • Output Power: Provides 75W of backplane power.
  • Redundancy: Can be paired with another 1756-PB75R for fault-tolerant operation.
  • Diagnostics: Built-in LED indicators for input, output, and fault status.
  • Compatibility: Supports all Allen-Bradley 1756 ControlLogix chassis.
  • Installation: Mounts in the left-most slot of the chassis for direct power delivery.
  • Application Range: Ideal for process automation, safety systems, and high-availability industrial control.

The 1756-PB75R delivers the stable and redundant power required for mission-critical ControlLogix 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 1756-PB75R
Question: What is the 1756-PB75R Power Supply?
Date Update:27/05/2025
Answer:

The 1756-PB75R is a ControlLogix Power Supply from Allen-Bradley, designed to provide 24V DC power to ControlLogix systems, including controllers, I/O modules, and communication modules. It is part of the 1756 series used in large automation systems, offering high performance and reliability for complex control applications.

Question: What is the input voltage for the 1756-PB75R power supply?
Date Update:27/05/2025
Answer:

The 1756-PB75R power supply requires an input of 85-264V AC (universal input). This wide voltage range allows the power supply to be used in various regions and installations without the need for a specific voltage configuration.

Question: What output voltage does the 1756-PB75R provide?
Date Update:27/05/2025
Answer:

The 1756-PB75R provides a stable 24V DC output to power ControlLogix components. This output voltage is standard for many industrial automation systems and is suitable for powering the controllers, I/O modules, and other connected devices in a ControlLogix rack.

Question: How much power can the 1756-PB75R supply?
Date Update:27/05/2025
Answer:

The 1756-PB75R can supply a maximum output power of 75W. It is designed to power up to 10 ControlLogix modules, including I/O modules, processors, and communication modules. The power supply is ideal for medium to large systems with moderate power demands.

Question: Can I replace the 1756-PB75R while the system is running?
Date Update:27/05/2025
Answer:

Yes, the 1756-PB75R supports hot swapping, meaning it can be replaced without shutting down the entire system. This feature minimizes downtime in critical operations. However, always follow proper safety protocols and consult the system documentation for specific procedures to ensure safe replacement.

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 1756-PB75R is a ControlLogix redundant power supply module designed to deliver reliable DC power to ControlLogix chassis. It provides 75W of output power with built-in redundancy capability to ensure continuous operation in critical control applications.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1756-PB75R
Compatible chassis 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17
Current capacity @ 24 V  2.8A
Current capacity @ 5.1 V  13A
Current capacity @ 3.3 V 4A
Current capacity @ 1.2 V 1.5A
Output power 75 W @ 0…60 °C (32…140 °F)
Inrush Current, max. 30 A
Nominal supply Voltage 24VDC
Input supply voltage range 18-32VDC
Module Type Redundant Power Supply
Dimensions 17.5 x 14.5 x 13.7 cm (6.9 x 5.7 x 5.4 in.)
Series ControlLogix
Input Voltage 24 Volts DC
Voltage Range 19-32 Volts DC
Input Power 110 Watts
Power Output 75 Watts at 60 Celsius
Chassis Series B
Location Panel Mounted
Operating Temperature 32-140 Fahrenheit (0-60 Celsius)
Enclosure None

  

 

Information About 1756-PB75R

The 1756-PB75R is part of the Allen-Bradley ControlLogix 1756 series, developed to support modular and high-performance automation systems. This power supply accepts 24V DC nominal input and delivers up to 75W of backplane power for system modules. As a redundant-rated unit, it can be paired with another 1756-PB75R to provide fault-tolerant power supply operation, minimizing downtime in critical applications. The module installs directly into the left-most slot of a ControlLogix chassis and includes status indicators for input, output, and fault conditions. Compact and rugged, the 1756-PB75R is engineered to provide stable, reliable power for demanding automation environments.

Key Features:

  • Design: Redundant-rated power supply module for ControlLogix chassis.
  • Input Voltage: Operates from 24V DC nominal supply.
  • Output Power: Provides 75W of backplane power.
  • Redundancy: Can be paired with another 1756-PB75R for fault-tolerant operation.
  • Diagnostics: Built-in LED indicators for input, output, and fault status.
  • Compatibility: Supports all Allen-Bradley 1756 ControlLogix chassis.
  • Installation: Mounts in the left-most slot of the chassis for direct power delivery.
  • Application Range: Ideal for process automation, safety systems, and high-availability industrial control.

The 1756-PB75R delivers the stable and redundant power required for mission-critical ControlLogix 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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