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Allen-Bradley 1756-PSCA2 ControlLogix redundant power supply chassis adapter

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Allen-Bradley 1756-PSCA2

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-PSCA2 is a crucial component for robust ControlLogix systems requiring continuous power. This redundant power chassis adapter seamlessly integrates within your existing ControlLogix power infrastructure, serving as the vital link between redundant power supply modules and the ControlLogix chassis. Its primary purpose is to facilitate dual power input capabilities, ensuring ongoing system operation even during unexpected power source disruptions or routine maintenance. By enabling hot-swap and automatic failover, the 1756-PSCA2 significantly enhances system uptime and operational efficiency, making it an indispensable asset for critical industrial control applications. This adapter is specifically engineered to function with modules such as the 1756-PA75R, 1756-PB75R, and 1756-PAR2, solidifying its role in comprehensive power redundancy solutions.Key Features Dedicated Redundant Power Adapter: Specifically engineered for ControlLogix redundant power supply systems, providing a critical connection point. Seamless ControlLogix Integration: Fully compatible with ControlLogix chassis and various redundant power modules, ensuring perfect fit. Enhanced System Resilience: Supports advanced hot-swap and automatic failover functionality, guaranteeing continuous system operation. Effortless Plug-and-Play Installation: Designed for simple and direct mounting within the chassis, requiring no external wiring for quick setup. Optimized Space Utilization: Its compact design ensures minimal consumption of valuable rack space, ideal for crowded industrial environments. Guaranteed High Availability: A fundamental building block for creating high-availability systems, minimizing downtime in critical applications. Technical SpecificationsModel: 1756-PSCA2System Compatibility: Allen-Bradley ControlLogixCompatible Power Supply Modules: 1756-PA75R, 1756-PB75R, 1756-PAR2Function: Connects redundant power supplies to the ControlLogix chassis backplaneMounting: Designed to install in the leftmost slot area of the ControlLogix chassisOperating Temperature Range: 0°C to +60°C (32°F to 140°F)Certifications: UL Listed, CE Compliant, c-UL RecognizedApplications Critical Process Control: Ensures uninterrupted power for sensitive processes where continuity is paramount. Manufacturing Automation Systems: Provides robust redundancy, minimizing production disruptions and maximizing uptime in automated factories. Utilities and Infrastructure: Ideal for high-reliability PLC systems in power generation, water treatment, and transportation networks. Data Centers: Supports redundant power configurations for essential control equipment, preventing costly outages. Oil & Gas Exploration: Guarantees continuous operation of control systems in challenging and remote environments. Pharmaceutical Production: Maintains precise and uninterrupted control over critical batch processes. Why Choose This Product? Unwavering Power Reliability: Absolutely essential for implementing and maintaining high-availability redundant power configurations within ControlLogix systems. Simplified Integration: Designed for straightforward installation and seamless integration into your existing ControlLogix architecture, saving time and effort. Proactive Downtime Prevention: Ensures an immediate and automatic switchover to a backup power source during primary power failures, preventing costly system interruptions. Allen-Bradley Quality Assurance: Benefit from the renowned reliability and performance associated with Allen-Bradley industrial automation components. Optimized for Continuous Operation: A critical component for any application where continuous production and system uptime are non-negotiable. Order NowElevate the reliability of your industrial control systems with the Allen-Bradley 1756-PSCA2 redundant power supply adapter. This crucial component is currently available to enhance your system's uptime and operational efficiency.FAQQ: What is the primary function of the 1756-PSCA2?A: The 1756-PSCA2 connects redundant power supplies to the ControlLogix chassis backplane, enabling dual power input and enhancing system resilience.Q: Which power supply modules are compatible with the 1756-PSCA2?A: It is compatible with modules such as the 1756-PA75R, 1756-PB75R, and 1756-PAR2.Q: How does the 1756-PSCA2 improve system uptime?A: It supports hot-swap and automatic failover functionality, ensuring continuous operation even during power source failures.

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PRODUCT DETAILS

Allen-Bradley 1756-PSCA2

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

Model: 1756-PSCA2

System Compatibility: Allen-Bradley ControlLogix

Compatible Power Supply Modules: 1756-PA75R, 1756-PB75R, 1756-PAR2

Function: Connects redundant power supplies to the ControlLogix chassis backplane

Mounting: Designed to install in the leftmost slot area of the ControlLogix chassis

Operating Temperature Range: 0°C to +60°C (32°F to 140°F)

Certifications: UL Listed, CE Compliant, c-UL Recognized

Applications

  • Critical Process Control: Ensures uninterrupted power for sensitive processes where continuity is paramount.
  • Manufacturing Automation Systems: Provides robust redundancy, minimizing production disruptions and maximizing uptime in automated factories.
  • Utilities and Infrastructure: Ideal for high-reliability PLC systems in power generation, water treatment, and transportation networks.
  • Data Centers: Supports redundant power configurations for essential control equipment, preventing costly outages.
  • Oil & Gas Exploration: Guarantees continuous operation of control systems in challenging and remote environments.
  • Pharmaceutical Production: Maintains precise and uninterrupted control over critical batch processes.

Why Choose the 1756-PSCA2?

  • Unwavering Power Reliability: Absolutely essential for implementing and maintaining high-availability redundant power configurations within ControlLogix systems.
  • Simplified Integration: Designed for straightforward installation and seamless integration into your existing ControlLogix architecture, saving time and effort.
  • Proactive Downtime Prevention: Ensures an immediate and automatic switchover to a backup power source during primary power failures, preventing costly system interruptions.
  • Allen-Bradley Quality Assurance: Benefit from the renowned reliability and performance associated with Allen-Bradley industrial automation components.
  • Optimized for Continuous Operation: A critical component for any application where continuous production and system uptime are non-negotiable.

Availability & Shipping

  • In stock: 1756-PSCA2 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-PSCA2 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

A: The 1756-PSCA2 connects redundant power supplies to the ControlLogix chassis backplane, enabling dual power input and enhancing system resilience.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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