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Mitsubishi FX3U-48MR/DS CPU Module

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Mitsubishi FX3U-48MR/DS

by Mitsubishi Electric

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OverviewDesigned for demanding industrial control applications, the Mitsubishi FX3U-48MR/DS is a high-performance central processing unit within the acclaimed FX3U Programmable Logic Controller series. This robust model is engineered to manage a broad spectrum of automation tasks with its ample 48 input/output points, including 24 digital inputs and 24 relay outputs. Its universal 100–240V AC power input allows for seamless integration across various global electrical infrastructures. The FX3U-48MR/DS delivers sophisticated control through its rapid processing capabilities, integrated positioning functions, and extensive modular expandability, making it a foundation for adaptable and evolving industrial systems.Key Features Integrated 48 I/O Points: Provides comprehensive control with 24 digital inputs and 24 relay outputs, well-suited for mid-sized automation systems requiring flexible connectivity. Universal Relay Output: Equipped with relay outputs, ensuring compatibility with a broad spectrum of load types, simplifying wiring and system integration. Wide AC Power Input: Operates efficiently on 100–240V AC supply, offering adaptability and reducing the need for external power conversion in different regions. Modular Expandability: Fully compatible with the extensive range of FX3U series modules, allowing for future system upgrades and specialized functionality integration. High-Speed Processing: Supports advanced high-speed counters and timers, crucial for precision control in time-sensitive applications. Advanced Control Options: Designed to support expansion for analog signal processing, diverse communication protocols, and precise motion control, enhancing system versatility. Technical Specifications Mitsubishi Code: FX3U-48MR/DS Series: FX3U Input Points: 24 digital inputs (24V DC sink/source) Output Points: 24 relay outputs Output Rating: 2A per point (maximum), 8A per common Power Supply: 100–240V AC Program Capacity: 64k steps Mounting: DIN rail or panel mounting options Dimensions (W x H x D): Approximately 182 x 90 x 86 mm Communication: Built-in RS-422, with optional modules for Ethernet, USB, and RS-485 to meet diverse networking requirements. Applications Assembly Lines and Packaging Systems: Provides precise control for intricate automated processes, enhancing efficiency and throughput. HVAC and Building Automation: Ideal for managing environmental control systems, ensuring optimal climate and energy usage in commercial and industrial buildings. Conveyor and Transport Systems: Facilitates smooth and synchronized material handling, crucial for logistics and manufacturing operations. Water Treatment and Pump Control: Offers reliable automation for fluid management, ensuring consistent operation and process integrity. General-Purpose Industrial Control: A versatile solution for a multitude of industrial control tasks across various sectors, demonstrating its adaptability and robustness. Why Choose This Model?The Mitsubishi FX3U-48MR/DS stands out as an exceptional choice for modern automation needs due to its unparalleled combination of performance, flexibility, and reliability. It is specifically engineered to meet the demands of medium-scale automation projects where a high density of I/O points is critical for comprehensive control. Its modular design ensures future-proofing, allowing for effortless expansion and adaptation to evolving system requirements without extensive overhauls. The incorporation of dependable relay output interfaces guarantees robust and consistent performance with various load types. Furthermore, its wide AC power compatibility simplifies deployment across different geographical and industrial settings. Choosing the FX3U-48MR/DS means investing in a solution backed by Mitsubishi Electric's globally recognized automation ecosystem, ensuring long-term support, advanced technology, and peace of mind for your critical industrial processes.Order NowExperience enhanced control and efficiency in your industrial operations. Add the Mitsubishi FX3U-48MR/DS to your system today.FAQWhat are the primary benefits of the FX3U-48MR/DS?This model offers comprehensive control with 48 I/O points, high-speed processing, and extensive modular expandability, making it ideal for diverse industrial automation tasks.Can this PLC be used in different regions globally?Yes, its wide 100–240V AC power input range ensures compatibility and seamless integration into various electrical environments worldwide.Is the FX3U-48MR/DS suitable for future system upgrades?Absolutely, its modular design allows for effortless expansion and adaptation using the extensive range of FX3U series modules, ensuring future-proofing for evolving system requirements.

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PRODUCT DETAILS

Mitsubishi FX3U-48MR/DS

Overview

This is a genuine Mitsubishi Electric component from the MELSEC PLCs 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 Mitsubishi Electric catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Mitsubishi Electric automation ecosystem
  • Engineered to integrate inside MELSEC PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Mitsubishi Electric 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 Mitsubishi Electric 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 Mitsubishi Electric platform with documented conversion notes for the MELSEC PLCs family

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

Technical Specifications

  • Mitsubishi Code: FX3U-48MR/DS
  • Series: FX3U
  • Input Points: 24 digital inputs (24V DC sink/source)
  • Output Points: 24 relay outputs
  • Output Rating: 2A per point (maximum), 8A per common
  • Power Supply: 100–240V AC
  • Program Capacity: 64k steps
  • Mounting: DIN rail or panel mounting options
  • Dimensions (W x H x D): Approximately 182 x 90 x 86 mm
  • Communication: Built-in RS-422, with optional modules for Ethernet, USB, and RS-485 to meet diverse networking requirements.

Applications

  • Assembly Lines and Packaging Systems: Provides precise control for intricate automated processes, enhancing efficiency and throughput.
  • HVAC and Building Automation: Ideal for managing environmental control systems, ensuring optimal climate and energy usage in commercial and industrial buildings.
  • Conveyor and Transport Systems: Facilitates smooth and synchronized material handling, crucial for logistics and manufacturing operations.
  • Water Treatment and Pump Control: Offers reliable automation for fluid management, ensuring consistent operation and process integrity.
  • General-Purpose Industrial Control: A versatile solution for a multitude of industrial control tasks across various sectors, demonstrating its adaptability and robustness.

Why Choose the FX3U-48MR/DS?

The Mitsubishi FX3U-48MR/DS stands out as an exceptional choice for modern automation needs due to its unparalleled combination of performance, flexibility, and reliability. It is specifically engineered to meet the demands of medium-scale automation projects where a high density of I/O points is critical for comprehensive control. Its modular design ensures future-proofing, allowing for effortless expansion and adaptation to evolving system requirements without extensive overhauls. The incorporation of dependable relay output interfaces guarantees robust and consistent performance with various load types. Furthermore, its wide AC power compatibility simplifies deployment across different geographical and industrial settings. Choosing the FX3U-48MR/DS means investing in a solution backed by Mitsubishi Electric's globally recognized automation ecosystem, ensuring long-term support, advanced technology, and peace of mind for your critical industrial processes.

Availability & Shipping

  • In stock: FX3U-48MR/DS 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 FX3U-48MR/DS ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

This model offers comprehensive control with 48 I/O points, high-speed processing, and extensive modular expandability, making it ideal for diverse industrial automation tasks.

Machine down? We ship parts the same day.

New, surplus, and refurbished Mitsubishi Electric 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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