Allen-Bradley | 1756-PA72 |ControlLogix (1756 Series)

Product Description: Allen-Bradley 1756-PA72

The Allen-Bradley 1756-PA72 is a standard AC power supply module designed for use with ControlLogix chassis-based systems. Operating from a wide input range of 85–265V AC, it delivers up to 75W of power to backplane components including controllers and I/O modules. It installs directly into the left-most slot of a ControlLogix chassis and is ideal for general-purpose industrial automation applications that require reliable power delivery and global input compatibility.

Key Features

• Provides 75 watts of backplane power for ControlLogix modules
• Wide input voltage range: 85–265V AC (47–63 Hz)
• Direct chassis installation with no special tools required
• Overload and short-circuit protection
• LED indicators for power and status diagnostics
• Designed for standard temperature and industrial operating conditions
• UL, CE, and CSA certified for worldwide use

Technical Specifications

• Input Voltage: 85–265V AC
• Input Frequency: 47–63 Hz
• Output Power: 75W
• Backplane Current Output:
  • 1.5 A @ 1.2V
• Inrush Current: 25 A max
• Mounting: ControlLogix chassis, left-most slot
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Dimensions (HxWxD): approx. 138 x 51 x 147 mm
• Certifications: UL Listed, CSA, CE, ATEX, IECEx

Application Areas

• ControlLogix systems in discrete, process, and motion control
• Machine and equipment control panels
• Industrial automation and plant floor systems
• OEM applications requiring AC input power supplies
• Electrical enclosures for PLC-based control infrastructure

Advantages

• Wide input voltage support for global deployment
• Provides sufficient power for standard ControlLogix systems
• Reliable, stable output for critical control applications
• Quick installation into ControlLogix chassis
• Diagnostic LEDs enhance system visibility and maintenance