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Omron 3G2 3G2A5-OA121

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3G2A5-OA121

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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.

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Technical specifications for 3G2A5-OA121

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
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The 3G2A5-OA121 from Omron is a Triac Output Unit engineered for advanced control applications. This component can handle a maximum switching capacity of 1 A at 132 VAC, operational in both 50 and 60 Hz environments. Notably, it facilitates loads with an impressive carrying capacity of 4 A per common and reaches a total of 5 A per unit. To ensure optimal performance, the minimum switching requirements include 10 mA for resistive loads and 40 mA for inductive loads along with a minimum voltage of 10 VAC.

When evaluating safety features, this unit exhibits a maximum leakage current of only 3 mA at 100 VAC. It delivers a residual voltage of 1.2 V at its peak. The ON response time is capped at 1 millisecond, ensuring minimal delay for initiating control commands. Furthermore, the OFF response time is conditioned to half the frequency of the load, allowing for effective operation across various voltage cycles.

This Triac output unit accommodates 16 output points organized into dual circuits, which provides 8 outputs per common. For reliable performance, the internal current consumption does not exceed 300 mA at the 5 VDC level. Two fuses rated at 5 A and 250 V are included to meet safety requirements. With a compact weight not exceeding 500 grams, this unit is designed for easy integration.

Connectivity is straightforward via a terminal block, and the unit supports voltage inputs of up to 132 VAC. Overall, the Omron 3G2A5-OA121 output unit is a compact, efficient solution for numerous applications requiring robust TRIAC output performance.