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. Sourced to order against an RFQ for BOM fill or replacement.
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
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
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