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Mitsubishi Q312DB lithium battery module for MELSEC-Q Series PLCs.

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Mitsubishi Q312DB

by Mitsubishi Electric

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OverviewThe Mitsubishi Electric Q312DB is a specialized lithium battery module, meticulously engineered to deliver steadfast memory backup for MELSEC-Q Series Programmable Logic Controllers (PLCs). This vital component acts as a safeguard for crucial program data and operational settings stored within the PLC's RAM and internal memory. It guarantees that your industrial control systems remain fully functional even if external power is lost. By preventing data corruption or loss, the Q312DB ensures seamless operational continuity and minimizes downtime, which is essential for any advanced industrial automation environment. Integrating this module into your MELSEC-Q system offers assurance that your critical processes are shielded from unforeseen power disruptions.Key Features Extended Performance: Featuring a long-lasting lithium cell, the Q312DB provides dependable and enduring backup power, thereby reducing the need for frequent replacements. Data Protection: Effectively preserves essential program and parameter memory during unexpected power interruptions, maintaining the integrity of your control logic. Simple Installation: Engineered for effortless, direct plug-and-play installation into compatible MELSEC-Q series CPU units, simplifying both maintenance and initial setup. Robust Construction: Boasts a compact, industrial-grade design built to endure the rigorous conditions of manufacturing settings. Operational Stability: Contributes significantly to sustaining system uptime and preventing expensive data loss in mission-critical applications, boosting overall productivity. Technical Specifications Battery Chemistry: Lithium Rated Voltage: 3.6 V Anticipated Service Life: Approximately 5 years (actual duration may differ based on usage and environmental factors) Compatibility: Exclusively designed for all MELSEC-Q Series CPUs Mounting: Engineered for direct attachment to the CPU backplane, ensuring a secure and integrated fit. Operational Temperature Range: 0 to 55 °C (32 to 131 °F) Storage Temperature Range: -20 to 60 °C (-4 to 140 °F) Applications PLC Memory Security: Provides indispensable memory backup for all MELSEC-Q PLCs, safeguarding operational data. Program Integrity: Ensures the protection of control program integrity during power failures, preventing production halts. Critical Process Retention: Crucial for maintaining critical process parameters in manufacturing and assembly lines, avoiding operational restarts. Industrial System Reliability: Facilitates rapid restarts of industrial systems without the need for time-consuming reprogramming, optimizing efficiency. Versatile Backup Solution: An ideal backup solution for critical infrastructure across utilities, general infrastructure, and various factory automation settings. Why Choose This Model?The Mitsubishi Electric Q312DB stands out as the optimal choice for safeguarding your MELSEC-Q Series PLCs. Its capacity to ensure uninterrupted memory during power outages directly translates into reduced downtime and substantial savings on maintenance costs. Seamlessly integrating into the robust Q-Series platform, this battery module is not merely an add-on; it is a vital component crafted to harmonize with your existing setup. The durable lithium chemistry guarantees long-term dependability, providing a stable and consistent power source for critical memory functions over an extended period. For any mission-critical control system where data integrity and continuous operation are paramount, the Q312DB offers an unparalleled level of security and reassurance.Order NowProtect the operational integrity of your MELSEC-Q PLC systems with the Mitsubishi Electric Q312DB battery module. This dependable memory backup solution is essential for ensuring industrial reliability and preventing costly interruptions. Explore our full range of Mitsubishi Electric PLC Base Racks to discover complementary components that enhance your automation infrastructure. Additionally, delve into our comprehensive selection of Mitsubishi MELSEC Programmable Logic Controllers.FAQWhat is the primary function of the Mitsubishi Electric Q312DB?The Mitsubishi Electric Q312DB serves as a critical lithium battery module designed to provide robust memory backup for MELSEC-Q Series PLCs, safeguarding program data and operational parameters during power loss.How does the Q312DB contribute to system reliability?By preventing data corruption or loss during power interruptions, the Q312DB ensures seamless operation, minimizes downtime, and maintains the integrity of critical control processes, thereby enhancing overall system reliability.What is the estimated lifespan of the Q312DB battery?The Q312DB features an estimated lifespan of approximately 5 years, though actual duration may vary based on usage patterns and environmental conditions.Is installation of the Q312DB complicated?No, the Q312DB is designed for effortless, direct plug-and-play installation into compatible MELSEC-Q series CPU units, streamlining both maintenance and setup.What industries benefit most from using the Q312DB?The Q312DB is highly beneficial for industries requiring critical process retention and reliable system operation, including manufacturing, assembly, utilities, general infrastructure, and diverse factory automation settings.

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1-Year PALM Parts Warranty
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$250.00
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PRODUCT DETAILS

Mitsubishi Q312DB

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

  • Battery Chemistry: Lithium
  • Rated Voltage: 3.6 V
  • Anticipated Service Life: Approximately 5 years (actual duration may differ based on usage and environmental factors)
  • Compatibility: Exclusively designed for all MELSEC-Q Series CPUs
  • Mounting: Engineered for direct attachment to the CPU backplane, ensuring a secure and integrated fit.
  • Operational Temperature Range: 0 to 55 °C (32 to 131 °F)
  • Storage Temperature Range: -20 to 60 °C (-4 to 140 °F)

Applications

  • PLC Memory Security: Provides indispensable memory backup for all MELSEC-Q PLCs, safeguarding operational data.
  • Program Integrity: Ensures the protection of control program integrity during power failures, preventing production halts.
  • Critical Process Retention: Crucial for maintaining critical process parameters in manufacturing and assembly lines, avoiding operational restarts.
  • Industrial System Reliability: Facilitates rapid restarts of industrial systems without the need for time-consuming reprogramming, optimizing efficiency.
  • Versatile Backup Solution: An ideal backup solution for critical infrastructure across utilities, general infrastructure, and various factory automation settings.

Why Choose the Q312DB?

The Mitsubishi Electric Q312DB stands out as the optimal choice for safeguarding your MELSEC-Q Series PLCs. Its capacity to ensure uninterrupted memory during power outages directly translates into reduced downtime and substantial savings on maintenance costs. Seamlessly integrating into the robust Q-Series platform, this battery module is not merely an add-on; it is a vital component crafted to harmonize with your existing setup. The durable lithium chemistry guarantees long-term dependability, providing a stable and consistent power source for critical memory functions over an extended period. For any mission-critical control system where data integrity and continuous operation are paramount, the Q312DB offers an unparalleled level of security and reassurance.

Availability & Shipping

  • In stock: Q312DB 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 Q312DB ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The Mitsubishi Electric Q312DB serves as a critical lithium battery module designed to provide robust memory backup for MELSEC-Q Series PLCs, safeguarding program data and operational parameters during power loss.

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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