Omron 3G2C4-SC021 — The Omron 3G2C4-SC021 CPU rack has a module-type structure and an ivory-white coating

Part number	3G2C4-SC021
Brand	Omron
Description	The Omron 3G2C4-SC021 CPU rack has a module-type structure and an ivory-white coating
Manufacturer	Omron
Product Line	3G2
Part Number	3G2C4-SC021
Weight	3.50 lbs (1.59 kg)
Model Type	CPU rack
Supply voltage	AC 110/120V, 50/60 Hz
Operating voltage range	85 to 110% of rated voltage
Power consumption CPU Rack	50VA max
Power consumption Expansion I/O rack	35VA max
Structure	module type
Coating	Ivory white
Degree of protection	IP30
Number of temporary memory relays	8 points
DC power supply	24VDC, 0.1A
Control system	stored program system
Main control element	LSI, TTL, C-MOS
Programming system	Ladder diagram
Programming capacity	approx. 2.2k address (RAM/EPROM) (8k bytes)

The Omron 3G2C4-SC021 CPU rack has a module-type structure and an ivory-white coating. It operates on an AC supply voltage of 110/120V, 50/60 Hz, with an operating voltage range of 85 to 110% of the rated voltage. The CPU rack consumes a maximum of 50VA, while the Expansion I/O rack consumes 35VA. It offers 8 points for temporary memory relays, 45 points for special auxiliary relays, and 512...

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.