The Q4MCA-2MBS is a memory expansion cassette for the MELSEC-Q series PLCs, adding 2 Mbytes of SRAM for data logging, recipe storage, or backup of critical registers. It plugs into the dedicated slot on the CPU or extension base unit and requires no configuration beyond the PLC parameter settings.
Mitsubishi Q4MCA-2MBS MELSEC-Q SRAM Cassette, 2 Mbytes
MPNQ4MCA-2MBS
Mitsubishi, MELSEC-Q Series, Expansion SRAM Cassette, Q4MCA-2MBS, 2 Mbytes memory capacity.
$443.23 – $849.00Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.02 Kg |
| Memory type | Extended SRAM cassette |
| Product type | MELSEC-Q Series Expansion SRAM Cassette |
| Memory capacity | 2 Mbytes |
| Dimensions (LxWxH) | 1.85cm x 3.2cm x 4.9cm |
Product details
MPN
Q4MCA-2MBS