Mitsubishi A2ACPU21S1 — The Mitsubishi A2ACPU21S1 is a processor tailored for use within the MELSEC architecture

Part numberA2ACPU21S1
BrandMitsubishi
DescriptionThe Mitsubishi A2ACPU21S1 is a processor tailored for use within the MELSEC architecture
ManufacturerMitsubishi
Product LineA Series
Part NumberA2ACPU21S1
Weight1.00 lbs (0.45 kg)
TypeProcessor
ArchitectureMELSEC
Power Supply100/200 VAC
Frequency50/60 Hz
Program Capacity8K Steps
Input/Output Points512 Points
Communication PortsRS-232
Execution Speed1.5 μs/Instruction
RAM32K
InstallationRack Mounting
ConformanceCE Compliant
Operating Temperature0 to 55°C

The Mitsubishi A2ACPU21S1 is a processor tailored for use within the MELSEC architecture. It supports dual power supply options of 100 or 200 VAC and operates within a frequency range of 50 to 60 Hz, offering significant versatility for various 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.

Related Mitsubishi parts