• Allen-Bradley 1756-PA75
  • Allen-Bradley 1756-PA75
  • Allen-Bradley 1756-PA75
1 3

Allen-Bradley 1756-PA75 ControlLogix AC Power Supply

Allen-Bradley 1756-PA75 ControlLogix AC Power Supply

The 1756-PA75 is a standard AC power supply module designed for the Allen-Bradley ControlLogix automation platform. It provides regulated DC power to the chassis backplane, ensuring reliable operation for all...

29 people are viewing this right now

Availability: Low stock: 9 left

SKU: 1756-PA75
Vendor: Allen-Bradley
Category: PLC Power Supply
Related Series:

Shipping & Returns

Reliable Worldwide Delivery

  • Carriers: Shipped via DHL, FedEx, UPS, or USPS.
  • Dispatch: Orders processed in 1-2 business days and dispatched within 3-5 business days.
  • Tracking: Full tracking details provided via email upon shipment.

30-Day Money-Back Guarantee

  • Guarantee: 30-day return window for in-stock, factory-sealed products.
  • Condition: Items must be unopened, unused, and in original packaging.
  • Authenticity: We guarantee 100% original and authentic hardware.

Need more details? Read our fullShipping PolicyandRefund Policy.

Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

Technical Support & Sourcing

  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
  • Rare Part Sourcing: Specializing in obsolete and hard-to-find components from Allen-Bradley, Siemens, ABB, HIMA, and more.
  • Bulk Inquiries: Contact us at pambo@5gplc.com for volume pricing or customized project quotes.
View full product details

The 1756-PA75 is a standard AC power supply module designed for the Allen-Bradley ControlLogix automation platform. It provides regulated DC power to the chassis backplane, ensuring reliable operation for all modules installed within the ControlLogix system.

Features

  • 75W total output power capacity
  • Wide input voltage range: 85-265V AC (47-63 Hz)
  • Supports nominal 120V/240V AC input
  • Provides multiple DC outputs: 1.2V, 3.3V, 5.1V, and 24V DC
  • Integrated electronic crowbar circuit for over/under voltage and current protection
  • Convection cooling design

Applications

  • Automotive manufacturing assembly lines
  • Oil and gas pipeline control and pump station monitoring
  • Food and beverage automated packaging and filling systems
  • Water treatment and power generation logic control

Technical Specifications

Model 1756-PA75
Input Voltage 85-265V AC (Nominal 120/240V AC)
Input Frequency 47-63 Hz
Max Output Power 75W (at 0 to 60 degC)
Output 1.2V DC 1.5A
Output 3.3V DC 4A
Output 5.1V DC 13A
Output 24V DC 2.8A
Operating Temp 0 to 60 degC (32 to 140 degF)
Storage Temp -40 to 85 degC (-40 to 185 degF)
Isolation Voltage 250V (continuous)

Installation Guidelines

  • The 1756-PA75 must be installed in the dedicated power supply slot located at the far left side of the ControlLogix chassis.
  • Ensure the system is powered down before inserting or removing the module to prevent electrical arcing or damage to the backplane connectors.
  • The module is designed for convection cooling; ensure adequate clearance above and below the chassis for proper airflow.
  • Use a 15A time-delay type fuse in all ungrounded power connections for external overcurrent protection.
  • Ensure the module is used in Pollution Level 2 industrial environments and Category II applications as per IEC 60664-1.

FAQ

What is the 1756-PA75?

The 1756-PA75 is a standard AC power supply module for the ControlLogix system, providing regulated DC power to the chassis backplane.

What is the difference between 1756-PA75 and 1756-PB75?

The 1756-PA75 is designed for AC input (85–264V AC), whereas the 1756-PB75 is designed for DC input (18–32V DC).

Does the module require an external fuse?

Yes, it is recommended to use a 15A time-delay type fuse in all ungrounded power connections for external overcurrent protection.

What is the hold-up time during power interruption?

The module provides a hold-up time of 2 cycles at 85V AC (60 Hz), 6 cycles at 120V AC (60 Hz), and 20 cycles at 220V AC (60 Hz).