*Image shown is a representation only. Actual product may vary.
Mitsubishi Q38DB
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewThe Mitsubishi Q38DB is a lithium battery module meticulously engineered to protect vital data within your MELSEC-Q Series PLC CPUs. In industrial automation, unforeseen power disruptions can lead to significant data loss, impacting operational continuity. This robust module provides a reliable backup power source, preserving RAM data and internal device memory. It ensures that essential automation programs, parameters, and settings remain intact, even during unexpected power failures. Integrating this module into your MELSEC-Q system offers peace of mind, knowing your control processes are shielded against data corruption and system downtime, maintaining the integrity of your automation infrastructure.Key Features Extended Service Life: Features a long-life lithium battery chemistry, reducing the need for frequent replacements and lowering maintenance efforts. Dependable Data Preservation: Ensures reliable RAM and memory backup, preventing data loss during power outages and supporting continuous operations. Simple Installation: Designed for an easy plug-in setup directly onto MELSEC-Q series CPUs, allowing for quick integration. Space-Efficient Design: Its compact and lightweight construction occupies minimal space within your control cabinet, perfect for confined areas. Industrial-Grade Durability: Built to endure the demanding conditions of industrial environments, offering robust and consistent performance. Uninterrupted Program Functionality: Meticulously maintains program and parameter data, guaranteeing accurate execution of automation sequences even through power disruptions. Technical Specifications Battery Type: Lithium Nominal Voltage: 3.6 V Typical Lifespan: 5 years (actual lifespan may vary based on usage and environmental factors) Compatibility: Exclusively for MELSEC-Q Series CPUs Installation: Direct mount onto the CPU unit Storage Temperature: –20 to 60 °C Operating Temperature: 0 to 55 °C ApplicationsThe Mitsubishi Q38DB is a versatile component critical for various industrial applications requiring steadfast data integrity and system reliability: RAM Data Backup: Essential for protecting critical RAM data within MELSEC-Q series PLCs, safeguarding operational parameters. Process Parameter Retention: Guarantees the preservation of vital process parameters, ensuring consistent and precise control over production cycles. Secure Memory Preservation: Indispensable for securing memory in complex factory automation systems, guarding against data corruption. Power-Failure Protection: Provides robust protection against power failures in sensitive control systems, minimizing downtime and boosting productivity. Industrial Control Data Integrity: Crucial for any industrial control application where the integrity of program data is paramount, preventing expensive errors. Why Choose This Model?Selecting the Mitsubishi Q38DB means investing in the lasting reliability and exceptional performance characteristic of Mitsubishi Electric products. This battery module stands out for several compelling reasons: Complete Data Security: Actively prevents critical data loss during unexpected power events, ensuring continuous operations. Reliable & Low Maintenance: Engineered for both dependability and minimal upkeep, allowing your team to focus on production rather than routine battery checks. Seamless MELSEC-Q Integration: Designed specifically for seamless integration with MELSEC-Q systems, guaranteeing perfect compatibility and superior performance. Fast Deployment: Enables rapid integration into existing systems. Order NowInvest in the Mitsubishi Q38DB today to ensure the continuous operation and data integrity of your MELSEC-Q Series PLC systems. Contact us for pricing and availability, or to speak with an expert about your specific industrial automation needs.FAQHow does the Mitsubishi Q38DB protect my PLC data?The Mitsubishi Q38DB provides a reliable backup power source using a long-life lithium battery. In the event of a power outage, it maintains power to the RAM and internal device memory of your MELSEC-Q Series PLC, thereby preventing the loss of critical programs, parameters, and settings.What is the typical lifespan of the Mitsubishi Q38DB battery?The typical lifespan of the Mitsubishi Q38DB is approximately 5 years. However, the actual lifespan can vary depending on factors such as usage conditions and the environmental operating temperature.Is the Mitsubishi Q38DB compatible with all Mitsubishi PLCs?No, the Mitsubishi Q38DB is exclusively designed for seamless integration with MELSEC-Q Series CPUs. Its direct mount mechanism ensures straightforward installation and optimal performance within these specific systems.Can I install the Q38DB myself?The Mitsubishi Q38DB features an easy plug-in design for direct mounting onto MELSEC-Q series CPUs. While designed for straightforward installation, it is always recommended to consult your system's manual and follow proper safety procedures, or have a qualified technician perform the installation.What are the operating temperature limits for this battery module?The Mitsubishi Q38DB is designed to operate within a temperature range of 0 to 55 °C, making it suitable for typical industrial operating conditions. For storage, the temperature range is –20 to 60 °C.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Mitsubishi Q38DB
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:
- Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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 Type: Lithium
- Nominal Voltage: 3.6 V
- Typical Lifespan: 5 years (actual lifespan may vary based on usage and environmental factors)
- Compatibility: Exclusively for MELSEC-Q Series CPUs
- Installation: Direct mount onto the CPU unit
- Storage Temperature: –20 to 60 °C
- Operating Temperature: 0 to 55 °C
Applications
The Mitsubishi Q38DB is a versatile component critical for various industrial applications requiring steadfast data integrity and system reliability:
- RAM Data Backup: Essential for protecting critical RAM data within MELSEC-Q series PLCs, safeguarding operational parameters.
- Process Parameter Retention: Guarantees the preservation of vital process parameters, ensuring consistent and precise control over production cycles.
- Secure Memory Preservation: Indispensable for securing memory in complex factory automation systems, guarding against data corruption.
- Power-Failure Protection: Provides robust protection against power failures in sensitive control systems, minimizing downtime and boosting productivity.
- Industrial Control Data Integrity: Crucial for any industrial control application where the integrity of program data is paramount, preventing expensive errors.
Why Choose the Q38DB?
Selecting the Mitsubishi Q38DB means investing in the lasting reliability and exceptional performance characteristic of Mitsubishi Electric products. This battery module stands out for several compelling reasons:
- Complete Data Security: Actively prevents critical data loss during unexpected power events, ensuring continuous operations.
- Reliable & Low Maintenance: Engineered for both dependability and minimal upkeep, allowing your team to focus on production rather than routine battery checks.
- Seamless MELSEC-Q Integration: Designed specifically for seamless integration with MELSEC-Q systems, guaranteeing perfect compatibility and superior performance.
- Fast Deployment: Enables rapid integration into existing systems.
Availability & Shipping
- ▸In stock: Q38DB 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 Q38DB ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Mitsubishi Electric
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.
Related Mitsubishi Electric resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
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.