Mitsubishi A4UMCA128E — Memory Cassette

Part number	A4UMCA128E
Brand	Mitsubishi
Description	Memory Cassette
Manufacturer	Mitsubishi
Product Type	Memory Cassette
Product Line	A Series
Part Number	A4UMCA128E
Weight	0.38 lbs (0.17 kg)
Data Storage Type	Non-volatile memory
Power Supply	Not applicable (powered by PLC)
Temperature Range	0°C to 55°C (32°F to 131°F)
Humidity Range	10% to 95% RH (Non-condensing)
Memory Capacity	128 KB
Form Factor	Compact, cassette-style
Compatibility	Mitsubishi A-Series PLCs
Data Transfer Method	Direct insertion into PLC slot
Write Protection	Typically includes write-protect features to prevent accidental overwriting
Usage	Used for program storage, backup, and transfer between PLCs

The Mitsubishi A4UMCA128E memory cassette is engineered for precise application with A-Series PLCs. This compact storage solution features non-volatile memory with a capacity of 128 KB, providing reliable program retention even in the event of a power loss.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.