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· Product image is representative; revision or series may vary. Contact us to request a specific version.
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1756-PA72
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Product Model1756-PA72
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Spare Model1756PA72
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Product ParametersControlLogix AC Power Supply
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size11x14.3x13.8cm
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ManufacturerAllen-Bradley
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Weight1.14 kg
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Current Capacity4A at 3.3VDC; 10 A at 5.1VDC and 2.8 A at 24VDC
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Operating Temperature32-140 Fahrenheit (0-60 Celsius)
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Module TypeStandard DC Power Supply
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SeriesControlLogix
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Nom Input Voltage120/240VAC
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Input Voltage Range85-265VAC
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Isolation Voltage250 Volts Continuous
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Max Inrush Current30 Amperes
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Input Voltage120-240 Volts AC
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Voltage Range85-265 Volts AC
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Input Power100 Watts
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Input Frequency47-63 Hertz
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Power Output75 Watts at 60 Celsius
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ChassisSeries A or B
Description
The Allen-Bradley 1756-PA72 is an AC power supply module designed for the ControlLogix 1756 chassis system. It provides regulated backplane power to support CPU modules, communication modules, and I/O modules installed in the chassis. The unit accepts a wide AC input range and converts it into multiple DC backplane voltages required by ControlLogix components.
The module provides up to 75 W of output power and supports key backplane voltage rails including 5.1 VDC, 3.3 VDC, 24 VDC, and 1.2 VDC. It is engineered to maintain stable operation under industrial conditions, including electrical noise, voltage fluctuations, and continuous duty cycles. The unit also includes built-in protection and diagnostic indicators to assist with system monitoring and troubleshooting.
The module provides up to 75 W of output power and supports key backplane voltage rails including 5.1 VDC, 3.3 VDC, 24 VDC, and 1.2 VDC. It is engineered to maintain stable operation under industrial conditions, including electrical noise, voltage fluctuations, and continuous duty cycles. The unit also includes built-in protection and diagnostic indicators to assist with system monitoring and troubleshooting.
Revisions
Revision Part #
Also known as
Alternative Names
1756 PA72
1756-PA7Z
I756-PA72
1756PA72
Information
Overview
Manuals
Application Notes
Product Applications
Installation Steps
Features:
- ControlLogix 1756
- 100 Volt-Amperes
- 85 to 265V AC 10A Power Supply
The Allen-Bradley 1756 ControlLogix controllers provide arobust and scalable control solution for industrial automationsystems. A standard control engine with a developmentenvironment provides ease of use. Available with On-Machinemodels suitable for process, motion, discrete, and highavailability applications.
The 1756-PA72 Allen Bradley Power Supply may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen Bradley 1756-PA72 Power Supply Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 1756-PA72 power supply from Allen Bradley's ControlLogix series is designed for dependable performance in industrial settings. Capable of accommodating input voltage ratings of 120 or 240 volts AC, this unit has a maximum input power rating of 100 watts with a continuous isolation voltage of 250 volts. The open-style enclosure of the power supply presents a straightforward installation approach in control panels or systems requiring efficient space utilization. Output current capabilities vary, providing 2.8 Amps at 24 Volts DC, 10.0 Amps at 5.1 Volts DC, 4.0 Amps at 3.3 Volts DC, and 1.5 Amps at 1.2 Volts DC, ensuring it is versatile for multiple applications.
- Assembly & Bottling Lines:High-density I/O & downtime prevention for bottling/manufacturing
- CNC & Metalworking Machines:Powers PLCs for multi-axis CNC & precision metalworking
- Material Handling Systems:Conveyors, robotic palletizers & sorters
- Process Skids:Critical AC-DC for chemical, water & oil/gas skids
- Automotive Robotics:Powers PLC racks for welding, painting & assembly robots
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Chassis Preparation: Ensure the ControlLogix chassis is properly mounted and grounded according to Rockwell Automation guidelines.
Alignment: Align the power supply's circuit board with the card guides located on the far left side of the chassis.
Seating the Module: Slide the power supply back until its front is flush with the chassis. You may need to "wiggle" it slightly to ensure the backplane connector pins seat correctly.
Securing: Tighten the two Phillips head screws (top and bottom) to a torque of 0.8 N·m (7 lb·in) to fasten the module to the chassis.
Protective Label: Do not remove the protective label from the top vents until all panel fabrication and drilling are complete to prevent metal shavings from entering the unit.
Technical notes
The unit accepts a wide AC input voltage range of 85 to 265 V AC at 47 to 63 Hz, with nominal operation at 120 V AC or 240 V AC. Maximum input power is 100 VA / 100 W, and the module delivers a maximum output power of 75 W at operating temperatures from 0°C to 60°C. The unit features limited hold-up time to handle fluctuations in incoming line power, with 5 to 6 cycles of hold-up depending on input voltage level. An orderly system shutdown is ensured by signaling modules in the chassis of an impending voltage failure.
FAQs
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What is the primary function of the 1756-PA75R?
+It provides redundant power to a ControlLogix chassis. If one power supply fails, the other maintains the system's operation without interruption. -
What is 1756-PA75R？
+The AB 1756-PA75R is an Allen-Bradley ControlLogix redundant AC power supply. Below are frequently asked questions regarding its hardware, compatibility, and operation -
What is the input voltage range of the 1756-PA72?
+It supports a universal input range of 85-265V AC (nominal 120/240V AC) and 47-63Hz. -
Where should it be installed in the chassis?
+The module must be installed in the leftmost slot of the ControlLogix chassis. This slot is dedicated to the power supply and does not count as one of the standard I/O slots. -
What is the maximum power output?
+The total output power is 75 W at 0–60 °C (140 °F). Note that the combined power of all backplane outputs cannot exceed 60 W at 50 °C or 50 W at 60 °C for some series.
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