Allen-Bradley 1756-PB75R

Overview

The Allen-Bradley 1756-PB75R is a robust 75W redundant DC power supply meticulously engineered for the ControlLogix platform, specifically targeting mission-critical and high-availability industrial applications. This sophisticated module operates seamlessly from a nominal 24V DC input, accommodating a broad range of 18–32V DC. Its intuitive design allows for effortless installation in the left-most slot of any compatible ControlLogix chassis, where it can be strategically paired with another power supply unit to establish a truly redundant power configuration. This capability is paramount for environments where continuous operation is non-negotiable, providing an unparalleled safeguard against system downtime.

Engineered for unwavering reliability, the 1756-PB75R guarantees an uninterrupted power flow to your ControlLogix system. This resilience is vital not only during critical operational phases but also during routine maintenance procedures or in the event of a primary power supply failure. Its inherent hot-swappable design further augments system uptime, permitting replacements without disrupting ongoing processes. By integrating the 1756-PB75R, industries can significantly enhance the dependability and longevity of their control systems, safeguarding production and minimizing costly interruptions.

Key Features

• 75W Power Output: Provides ample power to support demanding ControlLogix applications.
• Wide DC Input Range: Accepts 18–32V DC, offering flexibility in power source integration.
• Seamless Redundancy Support: Designed for pairing with an identical module to create truly fault-tolerant power systems.
• Rack Mount Design: Optimized for installation in the left-most slot of ControlLogix chassis.
• Hot-Swappable Functionality: Enables module replacement without system shutdown, enhancing operational continuity.
• Integrated Status LEDs: Clear visual indicators for monitoring power and redundancy status at a glance.
• High Reliability: Built for continuous operation in the most rigorous industrial environments.

Technical Specifications

Model: 1756-PB75R

Power Output: 75 Watts

Input Voltage Range: 18–32V DC

Output: 5.1V DC for ControlLogix backplane

Backplane Current: Up to 13A

Mounting Position: Dedicated left-most slot of the ControlLogix chassis

Operating Temperature: 0°C to +60°C (32°F to 140°F)

Certifications: UL Listed, CE Compliant, c-UL, ATEX Certified

Dimensions (HxWxD): 145mm x 35mm x 140mm (approximate – standard ControlLogix module size)

Weight: 0.5 kg (approximate)

Applications

• Process Automation: Ensures continuous and stable operation in complex manufacturing and processing plants where uptime is critical.
• Critical Control Systems: Ideal for safeguarding vital infrastructure, including power generation, water treatment, and transportation networks.
• Oil & Gas Industry: Provides dependable power in harsh and remote environments, crucial for continuous monitoring and control.
• Utilities Sector: Enhances the reliability of power distribution, telecommunications, and other essential public services.
• Industrial Manufacturing: Integrates into high-reliability factory automation systems, supporting continuous production lines and reducing downtime risk.
• Emergency Shutdown Systems (ESD): Crucial for maintaining power to safety-critical systems during emergencies.

Why Choose the 1756-PB75R?

• Unmatched Redundancy: Specifically engineered to support redundant configurations, providing an unparalleled layer of protection against power failures and maximizing system availability.
• Optimized for ControlLogix: Seamlessly integrates with your existing ControlLogix architecture, ensuring optimal performance and compatibility without complex setup.
• Robust Industrial Design: Built to withstand the rigors of harsh industrial environments, offering long-term reliability and reducing the need for frequent replacements.
• Hot-Swappable Convenience: Minimize costly production pauses with the ability to replace units without powering down your entire system.
• Global Certifications: UL, CE, c-UL, and ATEX certifications ensure compliance with international safety and quality standards, allowing for global deployment.
• Enhanced System Uptime: Its focus on reliability and redundancy translates directly into superior uptime, protecting your investments and maintaining productivity.

Order Now

The Allen-Bradley 1756-PB75R redundant DC power supply is in stock and available for immediate worldwide shipping. Elevate the resilience of your ControlLogix systems today. For inquiries regarding redundant supply pairs, confirmation of chassis compatibility, or advantageous bulk pricing options, please do not hesitate to contact our expert sales team. Be sure to explore our comprehensive ControlLogix Controllers main category to discover the full spectrum of models and specifications within this esteemed family. Additionally, delve into our entire range of industrial automation solutions by visiting our Allen-Bradley Industrial Automation Products master category, featuring an extensive selection of controllers, drives, motors, HMIs, and essential accessories.