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In Stock
Ships by Monday, August 17
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· Product image is representative; revision or series may vary. Contact us to request a specific version.
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.
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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-PA75R
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Product Model1756-PA75R
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Spare Model1756PA75R
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Product ParametersControlLogix AC Redundant 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 Size14.2x17.5x13.2cm
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ManufacturerAllen-Bradley
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Weight1.45 kg
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Input Voltage120-220 Volts AC
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Voltage Range85-265 Volts AC
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Input Power115 Watts
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Input Frequency47-63 Hertz
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Power Output75 Watts at 60 Celsius
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Isolation voltage250V (continuous)
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Temperature, operating0 °C ≤ Ta ≤ +60 °C(32 °F ≤ Ta ≤ +140 °F)
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Temperature, surrounding air, max60 °C (140 °F)
Description
The 1756-PA75R is a ControlLogix redundant AC power supply module designed to provide additional uptime protection for chassis used in critical applications. The 1756-PA75R operates with an input voltage range of 85…265V AC, with nominal input voltage of 120/240V AC at 50/60 Hz frequency, making it suitable for deployment in various international power environments.
The 1756-PA75R is designed to work in pairs with another 1756-PA75R unit, or can be mixed or matched with 1756-PB75R DC redundant power supplies when used in redundancy. The two remotely mounted 1756-PA75R supplies are designed to share the current required by the chassis, providing balanced power distribution across the backplane. In the event that one 1756-PA75R power supply fails, the remaining supply accommodates the entire load of the chassis without disruption to chassis activity, ensuring that critical control processes remain operational.
The 1756-PA75R features visual status indicators that provide at-a-glance operating status of the redundant power supply pair, enabling maintenance personnel to quickly assess system health. The 1756-PA75R also includes a solid-state relay for system recognition of supply status when wired to an input module. Optional user-provided annunciator wiring can be connected to the solid-state relay on the 1756-PA75R for remote status monitoring and troubleshooting purposes, with annunciator cable length recommended to be less than 10m (32.8ft).
The 1756-PA75R is designed to work in pairs with another 1756-PA75R unit, or can be mixed or matched with 1756-PB75R DC redundant power supplies when used in redundancy. The two remotely mounted 1756-PA75R supplies are designed to share the current required by the chassis, providing balanced power distribution across the backplane. In the event that one 1756-PA75R power supply fails, the remaining supply accommodates the entire load of the chassis without disruption to chassis activity, ensuring that critical control processes remain operational.
The 1756-PA75R features visual status indicators that provide at-a-glance operating status of the redundant power supply pair, enabling maintenance personnel to quickly assess system health. The 1756-PA75R also includes a solid-state relay for system recognition of supply status when wired to an input module. Optional user-provided annunciator wiring can be connected to the solid-state relay on the 1756-PA75R for remote status monitoring and troubleshooting purposes, with annunciator cable length recommended to be less than 10m (32.8ft).
Revisions
Revision Part #
Also known as
Information
Overview
Manuals
Application Notes
Product Applications
Insertion into the Chassis
Features:
- AC Input Voltage with Wide Range
- Automatic Chassis Load Sharing
- Seamless Failover Protection
- Visual Status Indicators
- Solid-State Relay Annunciator Output
The 1756-PA75R accepts 120/240 V AC input with a wide operating range of 85–265 V AC at 47–63 Hz. Input current is 3.4 A typical at 120V and 1.7 A typical at 240V, with maximum inrush current of 30 A for 25 ms. The module delivers 13 A maximum at 5.1V DC and 2.8 A maximum at 24V DC backplane power. Hold-up time is 20 ms minimum at full load, ensuring ride-through during brief power interruptions.
The 1756-PA75R Allen-Bradley ControlLogix Redundant Power Supply Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-PA75R ControlLogix Redundant Power Supply Module 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.
Redundancy is achieved by installing two 1756-PA75R modules in a single chassis using the 1756-PSCA2 chassis adapter module. The redundant configuration provides bumpless transfer with < 5 ms switchover time in the event of a primary power supply failure. Both supplies share the load equally during normal operation, extending service life. Hot-swappable design allows replacement of a failed supply without de-energizing the system.
- Water/Wastewater: Regulates chemical dosing pump speeds and effluent valve positioning
- Oil/Gas/Petrochemical: Manages pressure loops and controls burner gas-feed systems precisely
- Food/Beverage: Adjusts cooking/mixing temperatures via steam control valves with PID logic
- Power Generation: Drives steam governor actuators and integrates cooling tower fan speed systems
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.
Power Off: Ensure all system power is completely disconnected before handling.Slot Alignment: The 1756-PA75R typically installs on the far-left side of the chassis (though it can be used remotely with a chassis adapter).
Align the top and bottom guides of the power supply with the chassis grooves.
Slide & Connect: Slide the module straight back into the chassis until the rear connector fully seats into the backplane power rail.
Secure: Tighten the top and bottom retaining screws to secure the unit firmly to the chassis.
Alternative Names
1756PA75R
I756-PA75R
I756PA75R
Technical notes
The 1756-PA75R is compatible with ControlLogix chassis models 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17. The 1756-PA75R requires connection via 1756-CPR2 redundant power supply cables with a minimum bend radius of 12.7cm (5.0in.). The 1756-PA75R uses conductor wire size of 2.5 mm² (14 AWG) solid or stranded copper wire rated at 90°C (194°F) or greater for power connections, and annunciator wire size of 0.25…2.5 mm² (22…14 AWG) solid or stranded copper wire rated at 90°C (194°F) or greater. The 1756-PA75R has wire category ratings of 3 on power ports and 2 on 1756-CPR2 connections.
FAQs
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What is the input voltage range for the 1756-PA75R?
+The module is auto-ranging and supports an input voltage range of 85 to 265V AC (nominal 120V or 240V AC at 47 to 63 Hz). -
Can I use this power supply as a standalone unit?
+Yes, it can operate as a standalone supply. However, its primary purpose and maximum value come from using it in a redundant pair configuration for high-availability systems. -
What components are required to build a redundant power supply assembly?
+To assemble a redundant pair, you need two 1756-PA75R power supplies, a 1756-PSCA2 chassis adapter module, and two 1756-CPR2 redundant power supply cables. -
What is the maximum power output?
+It delivers a maximum output power of 75 Watts at operating temperatures between 0 °C and 60 °C
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