Mitsubishi Q312DB - PLC Base Unit
The Mitsubishi Q312DB Programmable Logic Controller is a main base unit with 12 slots and one power supply slot. Part of the Mitsubishi automation portfolio, this PLC base unit supports the Mitsubishi PLC platform within the MELSEC-Q SERIES, providing 439 mm width, 98 mm height, 44.1 mm depth, and 0.54 kg weight.

| Brand | Mitsubishi Electric |
| Product Type | PLC(Programmable Logic Controller) |
| Product | Q312DB |
Mitsubishi PLC Base Unit Q312DB Technical Specifications
| Specification | Value |
|---|---|
| Series | MELSEC-Q SERIES |
| Type | MAIN BASE UNIT |
| Slots | 12 |
| Slots for Power Supply | 1 |
| Depth (mm) | 44,1 |
| Weight (kg) | 0,54 |
| Width (mm) | 439 |
| Height (mm) | 98 |
The Q312DB Programmable Logic Controller from Mitsubishi is a main base unit designed for structured PLC system assembly in industrial automation. This Q312DB Programmable Logic Controller supports 12 slots, includes one power supply slot, and belongs to the MELSEC-Q SERIES architecture. Its 439 mm width and defined mechanical dimensions support consistent installation across standardized control panels.
In industrial automation systems, the Q312DB Programmable Logic Controller base unit is used in conveyors, packaging lines, assembly stations, and centralized automation panels. The slot configuration enables orderly CPU and I/O module placement, supporting scalable control system layouts. Defined physical dimensions help maintain stable mounting, organized wiring, and predictable cabinet design across manufacturing environments.
The Mitsubishi Q312DB PLC base unit supports dependable control system design through standardized slot distribution and series compatibility. As part of the MELSEC-Q SERIES, it aligns with established PLC architectures used in industrial facilities. The Q312DB Programmable Logic Controller, backed by Mitsubishi engineering standards, is suitable for long-term industrial use where reliable physical integration and structured automation layouts are required.




