Allen-Bradley 1756-PB72 | ControlLogix Power Supply Module (24V DC Input, 72W Output)

Overview

The Allen-Bradley 1756-PB72 is a 24V DC power supply module designed for use with ControlLogix chassis systems. It provides up to 72W of power to support modules installed in a ControlLogix backplane. With a wide input range (19.2–32V DC), this power supply is ideal for systems powered by industrial DC sources such as batteries or regulated power supplies.

The compact design and high reliability make it perfect for distributed and remote I/O applications, especially in environments where 24V DC is the preferred control voltage.

Key Features

• Input Voltage Range: 19.2–32V DC

• Output Power: 72W max

• Backplane Output Current:

  • 4 A @ 5.1V DC

  • 1.5 A @ 24V DC

• Chassis Compatibility: For use in ControlLogix chassis (1756-A4 to A17)

• Status Indicators: LED for power status and fault indication

• Compact Form Factor – Fits in left-most slot of chassis

• Operating Temperature: 0°C to +60°C

Technical Specifications

• Catalog Number: 1756-PB72

• Input Voltage: 24V DC nominal (range: 19.2–32V DC)

• Output Power: 72 watts

• Power Supply Type: Wide-range DC input

• Mounting Location: Left-most slot in any ControlLogix chassis

• Cooling Method: Natural convection

• Weight: Approx. 1.2 kg (2.6 lbs)

• Protection Features: Overvoltage, overcurrent, and thermal shutdown

Applications

• ControlLogix PLC Systems – Powers processors and I/O modules

• Distributed Control Systems (DCS) – Used in field-mounted or cabinet installations

• Battery-Backed or Mobile Systems – Ideal for 24V DC mobile power supplies

• OEM Panels and Machine Control – Compact and efficient for integrated systems

Why Choose the 1756-PB72?

• Reliable DC input for ControlLogix applications

• Wide voltage range supports diverse industrial environments

• 72W output delivers ample power for high-density chassis setups

Order Now

Available for immediate shipping worldwide.