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The 1769-PA4 is a high-capacity AC power supply module designed for the Allen-Bradley CompactLogix 1769 I/O platform. It provides reliable backplane power distribution for Compact I/O systems deployed in industrial automation environments.
This power supply supports dual-range AC input, allowing flexible deployment in global electrical infrastructures. It is engineered to deliver stable power output for large I/O configurations, reducing the need for multiple smaller power supplies and simplifying control cabinet wiring.
| Parameter | Specification |
|---|---|
| Model | 1769-PA4 |
| Manufacturer | Allen-Bradley |
| Input Voltage | 85–265V AC or 170–265V AC (selectable) |
| Nominal Input | 120V / 220V AC |
| 5.0V DC Output Current | 4.0A |
| 24V DC Output Current | 2.0A |
| Product Line | Compact I/O |
| Weight | 0.45 kg |
Designed for high-density I/O racks requiring stable backplane power.
Supports global voltage environments with selectable input ranges.
Helps reduce cabinet complexity by eliminating multiple low-capacity power supplies.
How do I select the input voltage?
Use the physical voltage selector switch on the module. Always verify site voltage before powering the system.
Can the 1769-PA4 power field devices directly?
No. This module is primarily designed for backplane power distribution. Ensure external device loads do not exceed 2.0A at 24V DC.