Mitsubishi A3UCPU — The A3UCPU CPU module from Mitsubishi is designed for sequence control operations

Part number	A3UCPU
Brand	Mitsubishi
Category	PLC Processor
Description	The A3UCPU CPU module from Mitsubishi is designed for sequence control operations
Manufacturer	Mitsubishi
Product Line	A Series
Part Number	A3UCPU
Weight	3.13 lbs (1.42 kg)
Description	CPU Module
Memory Capacity	Max. 1024k bytes
Program Capacity for Main Sequence Program	Max. 30k steps
Program Capacity for Sub-sequence Program	Max. 30k steps
Processing Speed (Sequence Instructions)	0.15 µs/step
Data Link	MELSECNET/10, MELSECNET(II)
5 VDC Internal Power Consumption	0.5A
Operating Temperature Range	0°C to 55°C
Control System	Sequence Program Control Method
I/O Control Mode	Refresh Mode
Programming Language	Language Dedicated for Sequence Control (Relay Symbol, Logic Symbolic Language)
I/O Points	2048 points

The A3UCPU CPU module from Mitsubishi is designed for sequence control operations. Featuring a substantial memory capacity of up to 1024k bytes, this unit allows for effective program management.

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.