Skip to product information
1 of 3

Allen-Bradley 1756-PB75R ControlLogix Redundant Power Supply

Allen-Bradley 1756-PB75R ControlLogix Redundant Power Supply

The Allen-Bradley 1756-PB75R is a ControlLogix rack-mounted redundant power supply designed to provide reliable DC power to the ControlLogix chassis. This unit supports a 24V DC nominal input and is...

26 people are viewing this right now

Availability: Low stock: 3 left

SKU: 1756-PB75R
Vendor: Allen-Bradley
Category: PLC Power Supply

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 Allen-Bradley 1756-PB75R is a ControlLogix rack-mounted redundant power supply designed to provide reliable DC power to the ControlLogix chassis. This unit supports a 24V DC nominal input and is engineered for high-availability applications where power redundancy is critical to system uptime.

Features

  • Redundant power supply capability for ControlLogix chassis
  • Designed for rack mounting directly into the ControlLogix system
  • Supports a wide DC input voltage range for flexible power integration
  • Provides stable 5V output for backplane communication and module operation
  • Robust design suitable for industrial environments

Technical Specifications

Model 1756-PB75R
Input Voltage Range 19-32V DC
Nominal Input Voltage 24V DC
Output Power 75W at 60 degC
Output Current 5V at 13A
Max Inrush Current 30A
Input Power 110W

Installation Guidelines

  • Ensure the chassis is powered down before installing or removing the power supply module.
  • Slide the module into the designated power supply slot of the ControlLogix chassis and secure the mounting screws to ensure proper grounding.
  • Verify that the input voltage matches the specified 19-32V DC range before applying power.
  • Maintain adequate clearance around the module to ensure proper airflow and cooling, especially when operating at higher ambient temperatures.
  • Use appropriate wire gauges for the DC input terminals to minimize voltage drop and ensure secure connections.

FAQ

Is the 1756-PB75R compatible with all ControlLogix chassis?

The 1756-PB75R is designed for standard ControlLogix chassis. Please verify your specific chassis series and current draw requirements against the 75W output capacity to ensure system compatibility.

Does this power supply support redundancy?

Yes, the 1756-PB75R is specifically designed for redundant power configurations, allowing two power supplies to be installed in a single chassis to provide backup power in the event of a primary supply failure.