Omron 3G2A5-OC221 — Contact Output Unit

Part number	3G2A5-OC221
Brand	Omron
Description	Contact Output Unit
Manufacturer	Omron
Product Type	Contact Output Unit
Product Line	3G2
Part Number	3G2A5-OC221
Weight	1.19 lbs (0.54 kg)
Maximum Switching Capacity	2 A at 250 VAC (cos φ=1), 0.5 A at 250 VAC (cos φ=0.4), 2 A at 24 VDC (8 A/common, 16 A/unit)
Minimum Switching Capacity	10 mA at 5 VDC
External Power Supply Voltage	24 VDC ±10%
External Power Supply Current	10 mA/point, 160 mA/unit
Bit	G6B-114P-FD-US-M (24 VDC) with socket
Relay Service Life (Electrical)	300,000 operations (resistive load), 100,000 operations (inductive load)
Relay Service Life (Mechanical)	50,000,000 operations
ON Response Time	15 ms max
OFF Response Time	15 ms max
Number of Points	16 points (8 points/common, 2 circuits)
Internal Current Consumption	100 mA at 5 VDC max
Circuit Configuration	Two circuits with replaceable relays on sockets

The 3G2A5-OC221 from Omron is a contact output unit, designed for robust applications in automation. It offers a maximum switching capacity of 2 A at 250 VAC and can handle resistive and inductive loads with a mechanical relay lifespan reaching 50 million cycles.

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.