G3H-203S-DC3-28

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Solid state relays (SSRs), which are also known as semiconductor or photocoupler relays, provide an effective solution to many difficult switching requirements. They are capable of switching large currents and voltages, and are characterized by their long life, low power consumption, and minimal impact on the environment. G3H-203S-DC3-28 is a typical SSR model released by Omron.

The G3H-203S-DC3-28 model is a 4-pin DIN type SSR module that uses photocouplers as input terminals to switch between AC and DC loads. It can be used for various applications such as process control, packaging machinery, and vending machines. It is suitable for both light and heavy duty applications and comes with a wide range of protection mechanisms. The G3H-203S-DC3-28 is available in both standard and wide-range input voltage options. Its operating temperature range is from 0 to 50°C, and its dielectric strength is up to 4000Vac.

The G3H-203S-DC3-28 model can be used to control AC loads up to 3A and DC loads up to 6A. Its operating voltage range is from 11 to 28 VAC/VDC, and its residual current is 0.02mA at 23°C. Its response time is very low, with a maximum of 10ms. Its high switching capacity and low power consumption make it ideal for use in high load and short duration applications.

The working principle of the G3H-203S-DC3-28 is very simple. It consists of two main parts, an input side and an output side. The input side contains a power supply unit and a light-emitting diode. The output side contains a photodiode and a relay switch. The light-emitting diode and the photodiode are connected to Rectifier IC for rectifying the input signal of AC and DC. When a voltage is applied to the input side, the output side gets energized and the relay switch gets activated. This energizing of the relay switch triggers an action in the control circuit, such as switching the lights on or off.

To sum up, the G3H-203S-DC3-28 model from Omron is an ideal choice for light and heavy duty process control applications. Its low power consumption, fast response time, and long life make it an ideal choice for various applications. It is also a cost-effective and efficient switching solution. Compared to conventional electromagnetic relays, SSRs are more reliable and require less maintenance. As such, SSRs are becoming increasingly popular as a reliable and cost-effective switching solution.

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