Omron 3G2A5-OA121 — Triac Output Unit

Part number3G2A5-OA121
BrandOmron
DescriptionTriac Output Unit
ManufacturerOmron
Product TypeTriac Output Unit
Product Line3G2
Part Number3G2A5-OA121
Weight1.06 lbs (0.48 kg)
Maximum Switching Capacity1 A at 132 VAC, 50/60 Hz (4 A/common, 5 A/unit)
Minimum Switching Capacity10 mA (resistive load); 40 mA (inductive load); 10 VAC
Leakage Current3 mA max. (at 100 VAC)
Residual Voltage1.2 V max.
ON Response Time1 ms max.
OFF Response Time1/2 of load frequency max.
Number of Output Points16 (8 points/common, 2 circuits)
Internal Current Consumption300 mA at 5 VDC max.
Fuse Capacity5 A at 250 V (two fuses)
Circuit ConfigurationDual circuit, 8 outputs per common
Connection TypeTerminal block
Voltage RangeUp to 132 VAC

The Omron 3G2A5-OA121 is a Triac output unit designed for reliable switching in various applications. It allows up to 132 VAC operation and supports maximum switching loads of 1 A at 132 VAC with 50/60 Hz frequency.

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.

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