Mitsubishi A3HCPUP21R — CPU Module

Part number	A3HCPUP21R
Brand	Mitsubishi
Category	PLC Processor
Description	CPU Module
Manufacturer	Mitsubishi
Product Line	A Series
Part Number	A3HCPUP21R
Weight	10.00 lbs (4.54 kg)
Product	CPU Module
Control System	Stored program and repeated operation
MELSECNET Function	Yes
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
External Dimensions (HxWxD)	250 x 79.5 x 121 mm

The A3HCPUP21R CPU module from Mitsubishi is engineered for efficient control operations. It supports a robust stored program architecture while allowing for repeated execution of tasks, making it suitable for a variety of automation applications.

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.