Catalog > Allen Bradley 1756-PA72/B ControlLogix AC Power Supply + 7 Slot Rack 1756-A7/B

Allen Bradley 1756-PA72/B ControlLogix AC Power Supply + 7 Slot Rack 1756-A7/B

The Allen Bradley 1756-PA72/B is an AC power supply module designed for the ControlLogix system, providing reliable power to the connected modules. The 1756-A7/B is a 7-slot rack that allows for the installation of various ControlLogix modules, enabling flexible configuration and expansion of the control system.

Input Voltage85 - 265 VAC
Output Power1756-PA72/B: 85 W, 1756-A7/B: N/A
Number of Slots1756-A7/B: 7 slots
CompatibilityControlLogix system
Dimensions1756-PA72/B: 213 x 87 x 149 mm, 1756-A7/B: 87 x 449 x 145 mm

Common Failure Symptoms:

  • Symptom 1: Loss of power to connected modules
  • Symptom 2: Overheating of the power supply
  • Testing Step: Check the input voltage using a multimeter to ensure it falls within the specified range.

Facilities may choose to buy a replacement for the Allen Bradley 1756-PA72/B and 1756-A7/B to maintain compatibility with existing ControlLogix systems used in critical industrial processes. Upgrading the entire system would require significant downtime and costs, making it more cost-effective to replace individual components like the 1756-PA72/B and 1756-A7/B to ensure seamless operation.