Allen-Bradley 1756-PB50 | 50W Slim Power Supply – 18–32V DC Input, Rack Mount, ControlLogix

Overview

The Allen-Bradley 1756-PB50 is a slim, rack-mounted power supply for ControlLogix systems, designed for compact, high-efficiency power delivery. It operates on 18–32V DC input and provides up to 50W at 60 °C or 60W at 50 °C, making it ideal for standard industrial automation applications with moderate power demands.

Its slim profile saves space in ControlLogix chassis, while still delivering reliable and stable power to modules on the backplane.

Key Features

• Power Rating: 50W @ 60 °C / 60W @ 50 °C

• Input Voltage: 18–32V DC

• Output Voltage: 5.1V DC @ 8A (backplane)

• Design: Slim, rack-mountable for ControlLogix chassis

• Compact Footprint – Saves space in the control cabinet

• LED Indicators – For input and output status

• No Redundancy – Single power source only

Technical Specifications

• Model: 1756-PB50

• Input Voltage: 18–32V DC

• Output Power: 50W at 60 °C, 60W at 50 °C

• Output Voltage: 5.1V DC (nominal), 8A max

• Mounting: Left-most slot of ControlLogix chassis

• Operating Temperature: 0°C to +60°C

• Chassis Compatibility: All standard ControlLogix racks

• Certifications: UL, CE, c-UL, and others

Applications

• Standard Control Systems – Ideal for small/mid-sized systems

• Panel-Mounted Automation – When space efficiency is key

• Machine Control – Consistent power for essential modules

• OEM Solutions – Lightweight and compact design

Why Choose the 1756-PB50?

• Slim profile saves space in the rack

• Reliable DC input for stable automation systems

• Cost-effective power option for ControlLogix users

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In stock and ships worldwide. Contact us for bulk pricing, terminal kits, or system configuration support.