Mitsubishi Q38B | 8-Slot PLC Base Unit for MELSEC-Q Series Overview The Mitsubishi Q38B is an 8-slot base unit for the MELSEC-Q Series PLC platform, providing structural support and backplane connectivity for power and signal communication between CPU, power supply, and I/O modules. Designed for industrial automation systems, it supports DIN rail or panel mounting for flexible installation. Key Features Number of Slots: 8 module slots Compatible Modules: Q-series CPUs, power supplies, I/O, communication modules Integrated Backplane: Provides data and power bus lines Mounting Options: DIN rail or direct panel mounting Durable Construction: Built for harsh industrial environments Plug-and-Play Expansion: Easy module insertion and replacement Technical Specifications Model: Q38B Series: MELSEC-Q Slot Count: 8 Material: Industrial-grade resin and metal frame Power Distribution: Via internal backplane Operating Temperature: 0°C to 55°C Mounting: DIN rail or screw mount Weight: Approx. 0.8 kg (1.76 lbs) Certifications: CE, UL Applications Industrial control cabinets Factory automation systems Distributed control networks Machine and process control Scalable PLC installations Why Choose the Q38B? Reliable System Backbone: Ensures stable connection for up to 8 modules Easy Maintenance: Modules can be replaced without rewiring Flexible Installation: DIN rail and panel mounting options Industrial-Grade Durability: Built for long-term use in tough environments Order Now The Mitsubishi Q38B 8-slot base unit is available and ready to ship. Return to the Mitsubishi Electric PLC Base Racks collection for more options in this family. Explore our full range of Mitsubishi MELSEC Programmable Controllers (PLC) to discover scalable automation solutions, from legacy systems to next-generation PLCs designed for high performance, connectivity, and flexibility.