Allen Bradley 1756-PB72 ControlLogix Power Supply

Product Introduction

The Allen Bradley 1756-PB72 ControlLogix Power Supply is a high-capacity DC input module designed to deliver regulated backplane power for ControlLogix automation systems. It accepts 18–32 V DC input and converts it into stable internal DC power required by processors, communication modules, and I/O modules installed within the chassis.

This model is commonly used in industrial environments where 24 VDC power distribution is standardized across the control cabinet. With a 75-watt output rating and 2.8 amp current capability, the 1756-PB72 supports medium to high-density rack configurations while maintaining stable system performance.

Installed on the left side of the ControlLogix chassis, the module operates without configuration and forms the backbone of reliable internal power distribution in DC-based automation architectures.

Product Specifications

Applications

• 24 VDC-Based Automation Systems
Ideal for installations where standardized DC distribution is implemented across the panel.

• Manufacturing and Assembly Lines
Supplies stable internal power for ControlLogix processors and distributed I/O modules.

• Material Handling Equipment
Ensures reliable backplane power in conveyor and logistics automation systems.

• Process Industry Panels
Supports PLC operation in oil & gas, chemical, and water treatment facilities using DC control infrastructure.

• Machine Control Systems
Suitable for medium to high module-count ControlLogix configurations.

Advantages

• Wide 18–32 VDC Input Range
Compatible with typical 24 VDC industrial power distribution systems.

• 75 Watt Output Capacity
Supports higher internal power requirements compared to standard low-capacity modules.

• Stable Backplane Regulation
Maintains consistent internal DC voltage to prevent processor resets and communication interruptions.

• Integrated Protection Mechanisms
Features overcurrent limiting and thermal protection to enhance system reliability.

• Robust Industrial Construction
Designed for continuous operation in demanding automation environments.

• Seamless ControlLogix Integration
Fully compatible with standard ControlLogix chassis configurations.

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