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Mitsubishi Q38B 8-Slot PLC Base Unit for MELSEC-Q Series

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Mitsubishi Q38B

by Mitsubishi Electric

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OverviewThe Mitsubishi Electric Q38B is a vital 8-slot programmable logic controller (PLC) base unit, specifically engineered to establish a durable framework for your MELSEC-Q Series automation systems. This essential component delivers both the structural support and the critical backplane infrastructure needed for seamless power distribution and rapid signal exchange among your central processing unit, power supply modules, and various input/output modules. Designed for adaptability, the Q38B supports both standard DIN rail installation and direct panel mounting, offering unparalleled flexibility for integration into diverse industrial automation settings. Its strategic function ensures system stability and simplifies module expansion.Key Features Eight Module Slots: Ample capacity to accommodate up to eight individual MELSEC-Q Series modules, enabling extensive system configurations. Extensive Compatibility: Works with the broad spectrum of MELSEC-Q Series CPUs, power supply units, digital and analog I/O modules, and specialized communication units. Integrated Backplane: Features a high-integrity internal backplane that guarantees dependable data transfer and efficient power delivery to all connected modules. Flexible Mounting Options: Supports both traditional DIN rail mounting for quick setup and direct panel mounting for secure, permanent placement within industrial enclosures. Industrial-Grade Construction: Built from robust industrial-grade resins and a sturdy metal frame, ensuring long-term operational resilience in demanding industrial environments. Effortless Expansion: Engineered for plug-and-play functionality, allowing for simple module insertion and replacement, which streamlines system maintenance and upgrades. Optimized Communication: Provides a secure and stable communication backbone, crucial for the high-performance operation of MELSEC-Q PLC systems. Technical Specifications Model Number: Q38B Series Compatibility: Designed specifically for the Mitsubishi MELSEC-Q Series PLC platform. Slot Configuration: 8 empty module slots for versatile system expansion. Construction Materials: High-quality industrial-grade resin combined with a durable metal frame for enhanced resilience. Internal Power Distribution: Achieved efficiently via the integrated backplane, minimizing external wiring requirements. Operating Temperature Range: Certified for operation within 0°C to 55°C, suitable for typical industrial environments. Mounting Methodologies: Adaptable for secure DIN rail attachment or direct screw-mount panel installation. Physical Weight: Approximately 0.8 kg (1.76 lbs), facilitating easy handling and installation. Compliance and Certifications: Adheres to stringent international standards, including CE and UL certifications, affirming product quality and safety. Applications Advanced Industrial Control Cabinets High-Performance Factory Automation Systems Distributed Control Networks Precision Machine and Process Control Scalable PLC Installations Robotics and Motion Control Why ChooseThe Mitsubishi Q38B is the preferred choice for engineers and system integrators seeking a dependable and adaptable foundation for their MELSEC-Q Series PLC systems, prioritizing system integrity and ease of use, and ensuring a consistently stable connection for up to eight modules.Order NowEnhance your industrial automation system. Add the Mitsubishi Q38B to your cart today for reliable performance and easy expansion.FAQWhat is the primary function of the Mitsubishi Q38B?The Mitsubishi Q38B serves as an 8-slot base unit, providing the physical and communication backbone for MELSEC-Q Series PLC systems, facilitating power distribution and signal transfer between various modules.How many modules can the Q38B accommodate?The Q38B is designed to hold up to eight individual MELSEC-Q Series modules, allowing for comprehensive system configurations.What mounting options are available for the Q38B?The Q38B supports both conventional DIN rail mounting and direct panel mounting, offering flexibility for integration into diverse industrial environments.

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$191.00
14 in stock

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PRODUCT DETAILS

Mitsubishi Q38B

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

  • Model Number: Q38B
  • Series Compatibility: Designed specifically for the Mitsubishi MELSEC-Q Series PLC platform.
  • Slot Configuration: 8 empty module slots for versatile system expansion.
  • Construction Materials: High-quality industrial-grade resin combined with a durable metal frame for enhanced resilience.
  • Internal Power Distribution: Achieved efficiently via the integrated backplane, minimizing external wiring requirements.
  • Operating Temperature Range: Certified for operation within 0°C to 55°C, suitable for typical industrial environments.
  • Mounting Methodologies: Adaptable for secure DIN rail attachment or direct screw-mount panel installation.
  • Physical Weight: Approximately 0.8 kg (1.76 lbs), facilitating easy handling and installation.
  • Compliance and Certifications: Adheres to stringent international standards, including CE and UL certifications, affirming product quality and safety.

Applications

  • Advanced Industrial Control Cabinets
  • High-Performance Factory Automation Systems
  • Distributed Control Networks
  • Precision Machine and Process Control
  • Scalable PLC Installations
  • Robotics and Motion Control

Why Choose the Q38B?

The Mitsubishi Q38B is the preferred choice for engineers and system integrators seeking a dependable and adaptable foundation for their MELSEC-Q Series PLC systems, prioritizing system integrity and ease of use, and ensuring a consistently stable connection for up to eight modules.

Availability & Shipping

  • In stock: Q38B 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 Q38B ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The Mitsubishi Q38B serves as an 8-slot base unit, providing the physical and communication backbone for MELSEC-Q Series PLC systems, facilitating power distribution and signal transfer between various modules.

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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Independent Supplier Notice

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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