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Allen-Bradley 1756-PA75R AC Redundant Power Supply Module

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Allen-Bradley 1756-PA75R

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-PA75R is a robust 75-watt AC redundant power supply specifically engineered for the ControlLogix automation platform. It is designed to provide continuous power availability, making it an essential component for industrial applications where operational uptime is critical. Operating efficiently with a versatile 120/240V AC input, this power supply module integrates seamlessly within a redundant pair, significantly enhancing overall system reliability and eliminating potential points of failure. Its advanced construction ensures that your ControlLogix system remains powered and operational even in the most demanding environments. This module excels in various high-availability automation settings, including intricate process control, large-scale manufacturing operations, and critical infrastructure. The 1756-PA75R provides assurance that your control system is protected against power interruptions, safeguarding productivity and preventing costly downtime. Its intelligent design and sturdy build reflect Allen-Bradley's dedication to delivering superior performance and long-term stability in industrial automation.Key Features Redundant Power Architecture: Engineered for N+1 redundancy, utilizing two modules to guarantee continuous power delivery and eliminate single points of failure. Consistent 75W Power Output: Delivers stable and dependable 75 Watts of power to your ControlLogix chassis and connected modules. Universal AC Input: Accommodates a broad input voltage range from 85–265V AC (47–63 Hz) for global applicability and flexible integration options. Hot-Swap Capability: Enables on-the-fly component replacement without interrupting system operation, maximizing uptime. Integrated Diagnostics: Features comprehensive visual status indicators for input, output, and redundancy status, simplifying troubleshooting. Effortless Backplane Integration: Mounts seamlessly into the leftmost slot of a ControlLogix chassis, providing power to all installed modules. Rugged Industrial Design: Constructed to endure challenging industrial conditions with an operating temperature range of 0°C to +60°C. Technical Specifications Model: 1756-PA75R Power Output: 75 Watts Input Voltage Range: 85–265V AC Input Frequency: 47–63 Hz Chassis Compatibility: Allen-Bradley ControlLogix standard and redundant chassis Operating Temperature: 0°C to +60°C (32°F to 140°F) Storage Temperature: -40°C to +85°C (-40°F to 185°F) Mounting Location: Dedicated leftmost slot of the ControlLogix chassis Certifications: UL Listed, CE Marked, c-UL, and other relevant industrial standards. Humidity: 5-95% non-condensing Vibration: 2 g at 10-500 Hz Shock: 30 g (operating), 50 g (non-operating) Applications Continuous Process Automation: Ensures uninterrupted power for critical processes in industries such as chemical manufacturing, oil & gas, and pharmaceuticals. High-Availability Manufacturing Systems: Essential for preventing costly downtime in automated assembly lines, packaging operations, and advanced robotics. Energy & Utilities Infrastructure: Provides resilient power protection for grid control, power generation, and distribution systems within demanding environments. Industrial Control Systems (ICS): Powers complex SCADA and DCS systems, safeguarding the integrity and reliability of critical control loops. Data Center Auxiliary Systems: Utilized in industrial data centers to guarantee power stability for essential automation components. Transportation & Logistics: Delivers dependable power for control systems in vital transportation hubs and logistics operations. Why Choose This Model?This model offers unmatched reliability through its true redundant architecture, effectively eliminating single points of failure. This ensures your system remains operational even if one power supply unit experiences an issue. Furthermore, its global compatibility is a significant advantage; the wide input voltage range (85-265V AC) allows for seamless integration into diverse electrical infrastructures worldwide, simplifying deployment.Order NowUpgrade your industrial automation system with the Allen-Bradley 1756-PA75R redundant power supply from Palm Parts Solution. Contact us today to secure this essential component for enhanced system reliability and continuous operation.FAQWhat is the primary function of the Allen-Bradley 1756-PA75R?The 1756-PA75R is an AC redundant power supply designed to provide continuous and reliable power to Allen-Bradley ControlLogix automation platforms, ensuring uninterrupted operation in critical industrial applications.How does the redundant power architecture benefit my system?The redundant power architecture (N+1) utilizes two modules to eliminate single points of failure. If one power supply unit encounters an issue, the other seamlessly takes over, guaranteeing continuous power and maximizing system uptime.What input voltage range does this power supply support?The 1756-PA75R supports a universal AC input voltage range from 85–265V AC (47–63 Hz), making it suitable for global applications and flexible integration into various electrical infrastructures.Can I replace the power supply module without shutting down my system?Yes, the 1756-PA75R features hot-swap capability, allowing for on-the-fly replacement without interrupting system operation, thereby maximizing uptime and minimizing disruption.Where should the 1756-PA75R be mounted in a ControlLogix chassis?This power supply module is designed to mount seamlessly into the dedicated leftmost slot of a ControlLogix chassis, where it powers all installed modules.

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PRODUCT DETAILS

Allen-Bradley 1756-PA75R

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1756-PA75R
  • Power Output: 75 Watts
  • Input Voltage Range: 85–265V AC
  • Input Frequency: 47–63 Hz
  • Chassis Compatibility: Allen-Bradley ControlLogix standard and redundant chassis
  • Operating Temperature: 0°C to +60°C (32°F to 140°F)
  • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
  • Mounting Location: Dedicated leftmost slot of the ControlLogix chassis
  • Certifications: UL Listed, CE Marked, c-UL, and other relevant industrial standards.
  • Humidity: 5-95% non-condensing
  • Vibration: 2 g at 10-500 Hz
  • Shock: 30 g (operating), 50 g (non-operating)

Applications

  • Continuous Process Automation: Ensures uninterrupted power for critical processes in industries such as chemical manufacturing, oil & gas, and pharmaceuticals.
  • High-Availability Manufacturing Systems: Essential for preventing costly downtime in automated assembly lines, packaging operations, and advanced robotics.
  • Energy & Utilities Infrastructure: Provides resilient power protection for grid control, power generation, and distribution systems within demanding environments.
  • Industrial Control Systems (ICS): Powers complex SCADA and DCS systems, safeguarding the integrity and reliability of critical control loops.
  • Data Center Auxiliary Systems: Utilized in industrial data centers to guarantee power stability for essential automation components.
  • Transportation & Logistics: Delivers dependable power for control systems in vital transportation hubs and logistics operations.

Why Choose the 1756-PA75R?

This model offers unmatched reliability through its true redundant architecture, effectively eliminating single points of failure. This ensures your system remains operational even if one power supply unit experiences an issue. Furthermore, its global compatibility is a significant advantage; the wide input voltage range (85-265V AC) allows for seamless integration into diverse electrical infrastructures worldwide, simplifying deployment.

Availability & Shipping

  • In stock: 1756-PA75R ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-PA75R ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-PA75R is an AC redundant power supply designed to provide continuous and reliable power to Allen-Bradley ControlLogix automation platforms, ensuring uninterrupted operation in critical industrial applications.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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