Omron 3G2C7-C20MC22C — Expansion Input/Output Unit

Part number	3G2C7-C20MC22C
Brand	Omron
Description	Expansion Input/Output Unit
Manufacturer	Omron
Product Type	Expansion Input/Output Unit
Product Line	3G2
Part Number	3G2C7-C20MC22C
Power Supply Voltage	24 Volts DC for output driving
Rated Input Voltage	100 to 120 Volts AC
Number of Inputs	28 inputs
Number of Outputs	24 outputs
Output Type	Contact outputs
Ambient Operating Temperature	0 to 55°C
Storage Temperature	-20 to 65°C
Input Frequency	50 to 60 Hertz
Mounting Method	Panel mount
Allowable Voltage Fluctuation	85 to 132 Volts AC
Insulation Resistance	5 mega ohms at 500 Volts DC
Dielectric Strength	1,500 Volts AC for 1 minute
Power Consumption	25 volt-amperes

The 3G2C7-C20MC22C from Omron is an expansion input/output unit suitable for versatile application needs. It operates with a rated input voltage of 100 to 120 Volts AC and provides 24 outputs and 28 inputs.

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.