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Mitsubishi Q33B
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewThe Mitsubishi Electric Q33B 3-Slot Base Unit serves as a crucial component for establishing dependable and efficient industrial automation systems utilizing MELSEC-Q Series programmable logic controllers (PLCs). Designed for precision and durability, this base unit delivers the necessary physical and electrical framework to incorporate various MELSEC-Q modules, including central processing units, power supply units, and input/output modules. Its sturdy construction ensures consistent performance in demanding industrial settings. The compact footprint and adaptable mounting choices, such as DIN rail compatibility, optimize space within control panels and electrical enclosures, making it an excellent option for streamlining production without sacrificing functionality or reliability.Key Features Three Expansion Slots: Accommodates up to three Mitsubishi MELSEC-Q Series modules for flexible system configurations. Comprehensive Module Integration: Supports CPU, power supply, and diverse I/O modules for complete control solutions. Space-Efficient Design: Minimal footprint allows for efficient use of panel space in confined industrial environments. High-Integrity Backplane: Features a robust backplane connection for stable and high-speed data exchange between installed modules. Flexible Installation Options: Mounts easily on standard DIN rails or directly to panels for versatile placement. Integrated Grounding and Alignment: Precision-engineered features simplify installation and enhance operational stability. Durable Construction: Fabricated from flame-retardant resin, ensuring enhanced safety and resilience in harsh operating conditions. Technical Specifications Catalog Number: Q33B Series: MELSEC-Q Number of Slots: 3 Mounting Type: DIN rail or panel Dimensions (W×H×D): Approximately 130 × 98 × 83 mm Operating Temperature: 0–55 °C Weight: Approximately 250 g Housing Material: Flame-retardant resin Certifications: CE, UL, cUL Applications Compact Automation Systems: Ideal for small to medium-scale automation projects requiring reliable control. PLC Expansion for Machinery: Provides expansion capabilities for integrating MELSEC-Q PLCs into various machines. Process Control Panels: Suitable for constructing or upgrading control panels in process automation. OEM Equipment Integration: Perfect for original equipment manufacturers needing a compact and dependable base unit for custom solutions. System Prototyping and Test Benches: Offers a flexible and stable platform for developing and validating new control system designs. Why Choose This Model?The Mitsubishi Electric Q33B 3-Slot Base Unit is an outstanding choice for several compelling reasons: Optimized Compatibility: Engineered for seamless integration within the Mitsubishi MELSEC-Q architecture, ensuring optimal performance across all connected modules. Simplified Installation: Its compact design and intuitive features allow for rapid and effortless setup, reducing installation time and costs. Unwavering Reliability: Built with industrial-grade components and a high-integrity backplane, this unit guarantees stable communication between PLC modules, minimizing downtime. Exceptional Build Quality: Constructed from durable, flame-retardant resin, the Q33B is designed to endure demanding industrial environments, offering long-term resilience and operational safety. Broad Module Support: Fully compatible with a wide array of Q-series modules, providing the flexibility to expand and customize your control system to meet evolving operational requirements. Order NowEnhance your industrial automation system with the Mitsubishi Electric Q33B 3-Slot Base Unit. Contact us today to place your order or to learn more about its capabilities.FAQWhat is the primary function of the Q33B base unit?The Q33B base unit provides the essential physical and electrical infrastructure to connect and integrate various MELSEC-Q Series modules, forming a reliable industrial automation system.How many modules can the Q33B accommodate?This unit is designed to accommodate up to three Mitsubishi MELSEC-Q Series modules.Is the Q33B suitable for harsh industrial environments?Yes, its robust construction and flame-retardant resin housing ensure durability and consistent performance in demanding industrial settings.What are the mounting options for the Q33B?The Q33B offers versatile mounting options, including compatibility with standard DIN rails or direct panel mounting.Can I use different types of MELSEC-Q modules with the Q33B?Yes, the Q33B seamlessly integrates CPU, power supply, and diverse I/O modules.
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Mitsubishi Q33B
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
- Catalog Number: Q33B
- Series: MELSEC-Q
- Number of Slots: 3
- Mounting Type: DIN rail or panel
- Dimensions (W×H×D): Approximately 130 × 98 × 83 mm
- Operating Temperature: 0–55 °C
- Weight: Approximately 250 g
- Housing Material: Flame-retardant resin
- Certifications: CE, UL, cUL
Applications
- Compact Automation Systems: Ideal for small to medium-scale automation projects requiring reliable control.
- PLC Expansion for Machinery: Provides expansion capabilities for integrating MELSEC-Q PLCs into various machines.
- Process Control Panels: Suitable for constructing or upgrading control panels in process automation.
- OEM Equipment Integration: Perfect for original equipment manufacturers needing a compact and dependable base unit for custom solutions.
- System Prototyping and Test Benches: Offers a flexible and stable platform for developing and validating new control system designs.
Why Choose the Q33B?
The Mitsubishi Electric Q33B 3-Slot Base Unit is an outstanding choice for several compelling reasons:
- Optimized Compatibility: Engineered for seamless integration within the Mitsubishi MELSEC-Q architecture, ensuring optimal performance across all connected modules.
- Simplified Installation: Its compact design and intuitive features allow for rapid and effortless setup, reducing installation time and costs.
- Unwavering Reliability: Built with industrial-grade components and a high-integrity backplane, this unit guarantees stable communication between PLC modules, minimizing downtime.
- Exceptional Build Quality: Constructed from durable, flame-retardant resin, the Q33B is designed to endure demanding industrial environments, offering long-term resilience and operational safety.
- Broad Module Support: Fully compatible with a wide array of Q-series modules, providing the flexibility to expand and customize your control system to meet evolving operational requirements.
Availability & Shipping
- ▸In stock: Q33B 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 Q33B 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.
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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.