Allen-Bradley 1756-PA72 | ControlLogix 85-265V AC Power Supply, Rack Mount

Overview

The Allen-Bradley 1756-PA72 is a rack-mounted AC power supply designed for ControlLogix systems, delivering stable and efficient power to chassis modules. Operating on a wide input voltage range of 85-265V AC, it provides 5V DC at 10A, ensuring reliable performance for industrial automation applications.

This power supply mounts directly on the left side of a ControlLogix chassis, plugging into the backplane to power all installed modules. It is compatible with Series A and B ControlLogix chassis.

Key Features

• Wide Input Voltage Range: 85-265V AC
• Nominal Input Voltage: 120V/220V AC
• High Output Power: 5V DC @ 10A
• Supports Multiple Voltage Levels:
  • 1.2V @ 1.5A
  • 3.3V @ 4A
  • 5.1V @ 10A
  • 24V @ 2.8A
• Mounts Directly to the Left Side of the Chassis – No additional wiring required
• Backplane Connection for Power Distribution – Seamlessly powers all installed modules
• Compatible with ControlLogix Chassis Series A and B
• Industrial-Grade Durability – Designed for continuous operation in demanding environments

Technical Specifications

• Model: 1756-PA72
• Series: ControlLogix
• Input Voltage Range: 85-265V AC
• Nominal Voltage: 120V / 220V AC
• Input Frequency: 47-63 Hz
• Maximum Input Power: 100VA / 100W
• Output Power: 75W @ 0-60°C
• Power Dissipation: 25W @ 0-60°C
• Hold-Up Time (VAC @ 50/60 Hz):
  • 5 cycles @ 85V AC
  • 6 cycles @ 120V AC
  • 6 cycles @ 200V AC
  • 6 cycles @ 240V AC
• Maximum Inrush Current: 20A
• Isolation Voltage: 250V Continuous
• Mounting Location: Left side of the 1756 ControlLogix chassis
• Weight: 1.12 kg (2.10 lbs)
• Operating Temperature: 0°C to 60°C (32°F to 140°F)

Applications

• ControlLogix PLC Systems – Provides reliable and stable power to chassis modules
• Factory and Process Automation – Ensures continuous and uninterrupted operation
• Industrial Power Distribution – Powers ControlLogix I/O and communication modules
• Machine Control and Robotics – Supports high-performance automation systems

Why Choose the Allen-Bradley 1756-PA72?

• Reliable and Efficient Power Supply – Ensures consistent power distribution
• Seamless ControlLogix Integration – Mounts directly to Series A and B chassis
• Wide Voltage Compatibility – Supports 85-265V AC input
• Durable Industrial Design – Optimized for harsh environments

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