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    The
    Allen-Bradley 1756-PA75R isn't a PLC programming controller itself, but rather a Redundant AC Power Supply for the Rockwell Automation ControlLogix platform, providing reliable, uninterrupted power (75W) for critical applications by working in pairs with automatic load sharing. It's used with ControlLogix PLCs (programmed using software like RSLogix 5000/Studio 5000) to ensure high availability and uptime, featuring remote mounting and RIUP (Removal/Insertion Under Power) for maintenance. 
    This video provides an overview of the ControlLogix PLC:
    Related video thumbnail
    1m
    Hartmann Automation
    YouTube • Sep 12, 2020
    Key Characteristics: 
    • Function: Redundant AC Power Supply.
    • Platform: ControlLogix (Allen-Bradley).
    • Power: 75W, 85-265V AC input.
    • Redundancy: Operates in pairs (e.g., with another PA75R or compatible DC supply) for fault tolerance.
    • Application: Critical systems needing high uptime, installed remotely from the chassis.
    • Programming: While it powers the system, programming is done via Rockwell software (Studio 5000/RSLogix 5000) for the PLC/processor, not the power supply itself. 
    In essence: You program the ControlLogix PLC (like a 1756-L7x or similar) using Rockwell's software, and the 1756-PA75R provides the robust power for that PLC and its chassis to run continuously. 
    • ControlLogix Redundant Power Supply Installation Instructions
      The redundant power supply system provides additional uptime protection for chassis that are used in critical applications. The tw...
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    • Allen-Bradley 1756-PA75R ControlLogix Free shipping - eBay
      Item description from the seller ... This Allen-Bradley 1756-PA75R module is ideal for industrial automation and motion control ap...
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    • Allen-Bradley 1756-PA75R
      Overview. The Allen-Bradley 1756-PA75R is a redundant AC power supply designed for ControlLogix systems. It provides a robust 75W ...
      PLCpartssolution
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      The 1756-PA75R is a redundant power supply module. This power supply is used for high-availability power requirements and may also...
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    • Allen-Bradley 1756-PA75R ControlLogix Redundant Power Supply
      Full Description: Allen-Bradley 1756-PA75R ControlLogix 85-265 VAC Redundant Power Supply, (5V @ 13 Amp). Input Voltage Range: 85-
      PLC Hardware
    • 1756-PA75R Rockwell (ControlLogix Redundant AC Power Supply) | ArtisanTG™
      The 1756-PA75R is a Rockwell ControlLogix Redundant AC Power Supply. It has the following features: * Removal and Insertion Under ...
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    • Allen-Bradley 1756-PA75R SER A ControlLogix AC Redundant ...
      * Condition. New. A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packagi...
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    • ControlLogix Redundant Power Supply Installation Instructions
      The redundant power supply system provides additional uptime protection for chassis that are used in critical applications. The tw...
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    • Allen-Bradley 1756-PA75R ControlLogix Free shipping - eBay
      Item description from the seller ... This Allen-Bradley 1756-PA75R module is ideal for industrial automation and motion control ap...
      eBay
    • Allen-Bradley 1756-PA75R
      Overview. The Allen-Bradley 1756-PA75R is a redundant AC power supply designed for ControlLogix systems. It provides a robust 75W ...
      PLCpartssolution
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    ControlLogix Redundant Power Supply Installation Instructions


    Rockwell Automation
    https://literature.rockwellautomation.com › groups
    Rockwell Automation
    https://literature.rockwellautomation.com › groups
    PDF
    The two remotely mounted supplies are designed to share the current required by the chassis. Two supplies are available in AC (catalog number 1756-PA75R/A or ...Read more
    12 pages

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    Allen-Bradley 1756-PA75R Controllogix AC Redundant Power Supply ; Frequency. 47-63 Hz ; Input Voltage. 85 - 265 VAC at 50/60 Hz ; Mounting Type. Panel Mount.Read more
    $2,035.22 · 4–12 day delivery

    New Allen-Bradley 1756-PA75R ControlLogix AC ...


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    eBay
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    New Allen-Bradley 1756-PA75R ControlLogix AC Redundant Power Supply ; Condition. New ; Quantity. 6 available ; Item number. 167648448777 ; Brand. Allen-Bradley.Read more
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    ArtisanTG
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    1756-PA75R Rockwell ; Price, $450.00 ; Part Number, 1756-PA75R ; In Stock, 2 ; Available, Today ; Location, Illinois, USA.Read more
    $695.00 · In stock · 5.0 (1) · 6-day delivery · 30-day returns

    1756 ControlLogix Power Supplies Specifications


    Rockwell Automation
    https://literature.rockwellautomation.com › groups
    Rockwell Automation
    https://literature.rockwellautomation.com › groups
    PDF
    1756-PA75R, 1756-PA75RK. 1756-PB75R, 1756-PB75RK c-UL-us. UL Listed Industrial Control Equipment, which is certified for US and Canada. See UL File E65584. UL ...Read more
    24 pages

    Wholesale Plc Programming Controller 1756-PA75R, High Quality ...


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    It is designed to provide regulated 24V DC power to the rest of the ControlLogix system. view detail · 1756-PA75R AB Original Plc Controller.

    Allen-Bradley 1756-PA75R ControlLogix Redundant ...


    PLC Hardware
    https://www.plchardware.com › Products › RA-1756-P...
    PLC Hardware
    https://www.plchardware.com › Products › RA-1756-P...
    Input Voltage Range: 85-265V AC; Input Power: 120VA, 115A; Output Power: 75W @ 60°C; Maximum Backplane Output Current: 1.5A @ 1.2V, 4A @ 3.3V, 13A @ 5.1V, 2.8A ...Read more
    $259.00 · In stock · 5.0 (1) · $35 delivery · 14-day returns

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    1756-PA75R | Allen Bradley ControlLogix Redundant ...


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    https://www.quicktimeonline.com › ... › PLC & DCS
    Quick Time Engineering Inc
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    Model, 1756-PA75R. Input voltage range, 85 265V AC¹. Input voltage, 120V/240V AC, 50/60 Hz. Input frequency range, 47 63 Hz. Input power, max, 120VA 115 W.Read more
    $1,133.00

    1756-PA75R NEW 2025 ALLEN BRADLEY ...


    eBay
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    1756-PA75R NEW 2025 ALLEN BRADLEY CONTROLLOGIX PLC REDUNDANT POWER SUPPLYNIB ; Condition Description. “NEW IN THE ORIGINAL FACTORY BOX 2025” ; Time left. 6h 59m6 ...Read more
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