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Mitsubishi Q312B‑E
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewThe Mitsubishi Q312B-E power supply module delivers consistent and regulated 12 VDC at 5 A, essential for the dependable performance of Mitsubishi Electric Q Series PLC systems. Meticulously designed for industrial environments, this unit enhances system uptime, operational stability, and overall efficiency within your automation infrastructure, ensuring clean and stable power delivery to your PLCs.Key Features Consistent Power Output: Provides a stable 12 VDC at 5 A for uninterrupted PLC system operation. Universal Voltage Input: Auto-sensing 100–240 VAC input for global compatibility and flexible integration. Instant Status Feedback: A PowerGood LED offers immediate visual confirmation of operational status. Robust Safeguards: Incorporates short-circuit, overload, and over-voltage protection for enhanced system and personnel safety. Space-Saving Footprint: Compact DIN-rail mount design optimizes panel space utilization in control cabinets. Precise Load Regulation: Maintains stable voltage output across varying load conditions, critical for sensitive industrial electronics. International Certifications: Complies with CE, UL, and RoHS standards, assuring quality and adherence to regulations. Efficient Cooling: Integrated convection cooling eliminates the need for external fans, reducing maintenance requirements. Technical Specifications Part Number: Q312B-E Manufacturer: Mitsubishi Electric Series: Q Series Input Voltage: 100–240 VAC, 50/60 Hz Output Voltage: 12 VDC Output Current: 5 A Power Rating: 60 W Mounting: DIN rail or Q Series rack compatible Load Regulation: ±1% Ripple & Noise: ≤100 mVpp Protection: Short-circuit, overload, over-voltage Operating Temperature: –10 °C to +55 °C Certifications: CE, UL, RoHS ApplicationsThe Mitsubishi Q312B-E power supply module's versatility and strong construction make it an excellent choice for diverse industrial applications requiring reliable 12 VDC power: Primary Q Series PLC Power: Serves as the dedicated power source for Mitsubishi Electric Q Series Programmable Logic Controllers. Central Control Panel Supply: Acts as a centralized power unit within industrial control panels, supplying various components. Industrial Monitoring Systems: Powers critical monitoring devices and sensing equipment in demanding operational settings. Remote I/O Rack Supply: Delivers consistent power to remote input/output racks, extending PLC capabilities across broader automation architectures. OEM Embedded Automation: An ideal selection for original equipment manufacturers integrating dependable power into custom automation solutions. Why ChooseChoosing the Mitsubishi Q312B-E power supply module offers significant advantages for your industrial automation systems: Exceptional Reliability: Engineered by Mitsubishi Electric, a leader in industrial automation, this module provides highly dependable power, crucial for uninterrupted PLC operations. Global Compatibility: Its wide input voltage range (100–240 VAC) ensures seamless integration into electrical systems worldwide, simplifying deployment. Advanced Safety: Equipped with multiple protection features including short-circuit, overload, and over-voltage safeguards, guaranteeing the safety of your equipment and personnel. Optimized for Space: The compact DIN-rail mount design is a significant benefit in control panels where space is a premium. Order NowEnsure the robust power foundation for your industrial automation with the Mitsubishi Q312B-E. Contact us today to place your order or request further information about this essential component.FAQWhat is the output voltage and current of the Q312B-E?The Mitsubishi Q312B-E provides a stable output of 12 VDC at 5 A.What is the input voltage range for this power supply?It features an auto-sensing input for 100–240 VAC, making it suitable for global applications.Does the Q312B-E have protection features?Yes, it includes integrated safeguards such as short-circuit, overload, and over-voltage protection.What are some typical applications for this module?It is commonly used as a primary power supply for Q Series PLCs, in central control panels, industrial monitoring systems, and for remote I/O rack power.
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Mitsubishi Q312B‑E
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
- Part Number: Q312B-E
- Manufacturer: Mitsubishi Electric
- Series: Q Series
- Input Voltage: 100–240 VAC, 50/60 Hz
- Output Voltage: 12 VDC
- Output Current: 5 A
- Power Rating: 60 W
- Mounting: DIN rail or Q Series rack compatible
- Load Regulation: ±1%
- Ripple & Noise: ≤100 mVpp
- Protection: Short-circuit, overload, over-voltage
- Operating Temperature: –10 °C to +55 °C
- Certifications: CE, UL, RoHS
Applications
The Mitsubishi Q312B-E power supply module's versatility and strong construction make it an excellent choice for diverse industrial applications requiring reliable 12 VDC power:
- Primary Q Series PLC Power: Serves as the dedicated power source for Mitsubishi Electric Q Series Programmable Logic Controllers.
- Central Control Panel Supply: Acts as a centralized power unit within industrial control panels, supplying various components.
- Industrial Monitoring Systems: Powers critical monitoring devices and sensing equipment in demanding operational settings.
- Remote I/O Rack Supply: Delivers consistent power to remote input/output racks, extending PLC capabilities across broader automation architectures.
- OEM Embedded Automation: An ideal selection for original equipment manufacturers integrating dependable power into custom automation solutions.
Why Choose the Q312B‑E?
Choosing the Mitsubishi Q312B-E power supply module offers significant advantages for your industrial automation systems:
- Exceptional Reliability: Engineered by Mitsubishi Electric, a leader in industrial automation, this module provides highly dependable power, crucial for uninterrupted PLC operations.
- Global Compatibility: Its wide input voltage range (100–240 VAC) ensures seamless integration into electrical systems worldwide, simplifying deployment.
- Advanced Safety: Equipped with multiple protection features including short-circuit, overload, and over-voltage safeguards, guaranteeing the safety of your equipment and personnel.
- Optimized for Space: The compact DIN-rail mount design is a significant benefit in control panels where space is a premium.
Availability & Shipping
- ▸In stock: Q312B‑E 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 Q312B‑E ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Mitsubishi Electric
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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.