Allen-Bradley 1769-PA4 Power Supply 1769PA4

Description:

The Allen-Bradley 1769-PA4 Power Supply is a DC power module used in industrial control systems to deliver reliable low-voltage power to CompactLogix and related I/O racks. Designed for use with 120/240V AC input, this power supply provides stable 24V DC output to support controllers, I/O modules, and communication devices within automation cabinets. Maintenance teams, OEM machine builders, and system integrators use this unit for new installations, system upgrades, panel retrofits, and replacement of aging or failed power modules to ensure consistent control system performance.

Applications:

The 1769-PA4 power supply is widely applied in industrial automation systems requiring dependable DC power distribution. Typical installations include conveyor lines, packaging machinery, assembly systems, material handling equipment, and process control panels where PLCs and I/O networks demand stable power for reliable operation. Its compatibility with CompactLogix and Micro800 systems makes it suitable for both standalone machines and complex control architectures across manufacturing environments.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Part Number: 1769-PA4
• Series: Compact I/O / CompactLogix Power Supplies
• Input Voltage: 120/240V AC, 50/60 Hz
• Output Voltage: 24V DC
• Output Current: 4 A DC
• Mounting Type: DIN rail or panel mount (application dependent)
• Compatible Systems: CompactLogix, MicroLogix, and 1769 I/O racks
• Protection: Overload and short-circuit protection (as per design)
• Operating Temperature: Standard industrial range (typically 0°C to 55°C)
• Indicators: LED status indicators for power and fault diagnostics

Common Replacements:

• Allen-Bradley 1769-PA2
• Allen-Bradley 1769-PS125
• Siemens 6EP1331-2BA10