The Q35B is a Mitsubishi MELSEC-Q series CPU base unit — the backplane that hosts the CPU, power supply, and up to five I/O modules in a compact rack. It draws 0.11 A from the 5 V DC rail and accepts M4 screw mounting or an optional DIN-rail adapter (Q6 DIN 2, sold separately).
Mitsubishi Q35B CPU Base Unit, MELSEC-Q, 5 I/O Slots
MPNQ35B
Mitsubishi MELSEC-Q series CPU base unit, Q35B, 5 I/O unit slots, 245 x 98 x 44.1 mm, 0.27 kg.
$108.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Mass | 0.27 kg |
| Depth | 44.1 mm |
| Width | 245 mm |
| Height | 98 mm |
| Applicable unit | MELSEC-Q series unit |
| Mounting hole size | M4 screw hole or f 4.5 hole (for M4 screw) |
| Applicable power supply unit | MELSEC-Q series power supply unit |
| Number of input (output units) | Five |
| DC 5 v internal current consumption | 0.11 A |
| DIN rail mounting adapter type name | Q6 DIN 2 (sold separately) |
Product details
Frequently asked questions
What are the key dimensions of the Q35B?
Width 245 mm, height 98 mm, depth 44.1 mm. Mass is 0.27 kg; shipping weight 1.3 kg.
How many I/O units does the Q35B support?
It supports up to five input/output units in the MELSEC-Q series.
What is the DC 5 V internal current consumption?
0.11 A from the 5 V DC rail.
MPN
Q35B