• Allen-Bradley 1756-PSCA
  • Allen-Bradley 1756-PSCA
  • Allen-Bradley 1756-PSCA
1 3

Allen-Bradley 1756-PSCA Redundant Power Supply Chassis Adapter Module

Allen-Bradley 1756-PSCA Redundant Power Supply Chassis Adapter Module

Description

The Allen-Bradley 1756-PSCA is a passive power consolidation adapter designed specifically for the ControlLogix 1756 chassis platform. This module is essential for establishing a redundant power architecture, allowing for...

24 people are viewing this right now

Availability: Low stock: 5 left

SKU: 1756-PSCA
Vendor: Allen-Bradley
Category: Redundant Power Supply Chassis Adapter Module
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

Description

The Allen-Bradley 1756-PSCA is a passive power consolidation adapter designed specifically for the ControlLogix 1756 chassis platform. This module is essential for establishing a redundant power architecture, allowing for the integration of two independent 1756 redundant power supply units. By merging these power feeds into a single, unified pathway, the 1756-PSCA ensures continuous, fault-tolerant operation of the chassis backplane, effectively eliminating single points of failure in critical automation applications.

Features

  • Passive electrical design with no active switching components, ensuring high reliability and long MTBF.
  • Dual 37-pin Sub-D male connectors for direct interface with 1756-CPR2 redundant power cables.
  • Seamless, bumpless hot-swapping capability for power supply units.
  • Direct integration with Series B ControlLogix backplanes for multi-rail DC logic distribution.
  • Dedicated mounting position on the left-most side of the chassis, preserving standard I/O slot availability.

Applications

This module is widely utilized in high-availability industrial environments where system downtime must be minimized, including oil and gas processing, water and wastewater treatment, power generation, and automated manufacturing lines. It is compatible with 1756-PA75R (AC) and 1756-PB75R (DC) redundant power supplies.

Technical Specifications

Model 1756-PSCA
Brand Allen-Bradley
Product Line ControlLogix
Interface 2 x 37-Pin Sub-D Male
Compatible Cables 1756-CPR2
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C
Relative Humidity 5 to 95 percent (non-condensing)
Chassis Compatibility 1756-A4, A7, A10, A13, A17 (Series B)

Installation Guidelines

  • Ensure the ControlLogix chassis is powered down before installing or removing the 1756-PSCA module.
  • Mount the module exclusively on the left-most end of the 1756 chassis.
  • Verify that the 1756-CPR2 cables are securely fastened to the Sub-D connectors to prevent intermittent power loss.
  • Maintain proper ventilation around the chassis to keep ambient temperatures within the 0 to 60 deg C range.
  • Handle with standard ESD precautions to protect backplane pins during installation.

FAQ

Does the 1756-PSCA require firmware updates?
No, the 1756-PSCA is a passive electrical device containing no active circuitry, microprocessors, or firmware.

Can I use this with a Series A backplane?
The 1756-PSCA is designed for use with Series B ControlLogix backplanes. Please verify your chassis revision before installation.