Product Description
The Mitsubishi Electric Q312B is a 12-slot main base unit (rack/backplane) designed for the MELSEC-Q Series modular programmable logic controller (PLC) platform. It provides the structural and electrical backbone for mounting a power supply module, CPU module, and up to 10 I/O or intelligent function modules. The Q312B is compatible with the full range of MELSEC-Q Series modules, including Q173/Q172 motion controllers, and supports panel-mount installation in industrial control panels. DIN rail mounting is available with an optional adapter.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Mitsubishi Electric |
| Model / Part Number | Q312B |
| Series | MELSEC-Q |
| Type | Main Base Unit (Normal Type) |
| Number of Slots | 12 (1 Power Supply + 1 CPU + 10 I/O or Special Function) |
| Slots for Power Supply | 1 |
| Internal Power Bus Voltage | 5 VDC |
| Internal Bus Current Draw | 0.13 A |
| Width (W) | 439 mm (17.28 in) |
| Height (H) | 98 mm (3.86 in) |
| Depth (D) | 44.1 mm (1.74 in) |
| Weight | 0.45 kg (approx. 0.99 lb) |
| Operating Temperature | 0°C to 55°C |
| Mounting Type | Panel Mount (DIN rail mounting requires optional adapter) |
| Compatible Motion Controllers | Q173, Q172 |
| Compatible CPU Types | Q Series CPU modules (except Q00JCPU and Q00UJCPU) |
| Compatible Extension Cables | QC06B, QC12B, QC30B, QC50B, QC100B |
| Certifications | CE, UL, cUL, UKCA, EAC, RoHS |
| Platform / Family | MELSEC System Q |
| Sales Start Date | May 18, 2000 |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Full Load Amps 0.13 A
Manufacturer Mitsubishi
Part Number Q312B
Controller Platform MELSEC System Q
Shelf E-7 Tub 9
Model Q312B
MPN Q312B
Type PLC Chassis
