Mitsubishi A3HCPU — The A3HCPU from Mitsubishi is a CPU module that supports versatile control mechanisms

Part number	A3HCPU
Brand	Mitsubishi
Category	PLC Processor
Description	The A3HCPU from Mitsubishi is a CPU module that supports versatile control mechanisms
Manufacturer	Mitsubishi
Product Line	A Series
Part Number	A3HCPU
Weight	2.50 lbs (1.13 kg)
Name	CPU Module
Selectable I/O Control Mode	Refresh/Direct Method
Programming Language	Language dedicated for sequence control (Relay Symbol, Logic Symbolic Language)
I/O Points	2048 Points
Constant Scanning	Selectable between 10ms and 190ms in 10ms Units
Memory Capacity	Max. 144k Bytes
Program Capacity for Main Sequence Program	Max. 30k Steps
Program Capacity for Sub-Sequence Program	Max. 30k Steps
Program Capacity for Microcomputer Program	Max. 58k Steps
Processing Speed (Sequence Instructions)	0.2 to 0.2 µs/Step (Direct Mode), 0.2 to 0.4 µs/Step (Refresh Mode)
5 VDC Internal Power Consumption	3.0A
External Dimensions (HxWxD)	250 x 79.5 x 121 mm
Control System	Stored Program and Repeated Operation

The A3HCPU from Mitsubishi is a CPU module that supports versatile control mechanisms. It accommodates 2048 I/O points and allows for a choice between refresh and direct scanning methods.

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.