G3VM-2FL

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Solid State Relays, such as G3VM-2FL, have seen considerable success in the control of industrial electrical circuits. As a type of combination of the electronics circuit with the electro-optical components, solid state relays allow for the electrical isolation of the input and output circuits, as well as the control of high-power loads without mechanical contact. In this article, we will discuss the application field and working principle of G3VM-2FL.

The G3VM-2FL is an optically isolated, solid-state relay that is typically used for the control of AC loads up to 600 VAC. It has a wide operating temperature range of between -25C and +70C, and with a high switching capacity of up to 16A at 125VAC and 8A at 250VAC, it is certainly able to be used in high-power applications. The key characteristics of G3VM-2FL are its high reliability, low on-state resistance, and low power consumption.

Apart from its use in industrial electrical circuits, G3VM-2FL can also be used for fan speed control, motor speed control, light dimming, digital displays, and even the control of various power amplifiers. This versatility is due to its wide operating voltage range, from 1-14V DC, as well as its wide range of voltage and current switching ratings. Furthermore, the G3VM-2FL is highly resistant to noise, and features a built-in filter to suppress high-frequency noises.

Now let us look at the working principle of G3VM-2FL. As an optically isolated relay, it works by using the light emitted from an LED source to form a photoreceptor circuit. When the power is applied to the input circuit, the LED will also begin to emit light, which will then travel from one contact of the relay to the other. This light will then cause a diode to turn on, thus completing the circuit, thereby activating the output circuit to turn on the load.

In addition to the positive control, the G3VM-2FL is also able to do negative control. With this negative control, the LED will still emit light, however, when the power is removed from the input circuit, the photoreceptor will be unable to persist, thus causing the current to be cut off, and the output circuit to be deactivated, thus turning off the load.

Once the G3VM-2FL is deactivated, it will enter into a no-load mode, which will prevent any further loss of energy from the relay. In order to protect the relay from voltage surges, it is also possible to set a voltage threshold on the input circuit, which will cause the relay to shut off if the voltage exceeds the set threshold. This threshold can be set from 0-25V DC.

To summarize, G3VM-2FL is a type of solid state relay, which has a wide range of application fields, from industrial electrical circuits and fan speed control to dimming lights and power amplifiers control. It has a wide operating temperature range, high switching capacity, low on-state resistance, and low power consumption. It also has a built-in filter to suppress high-frequency noise, as well as positive and negative control. It is also able to be set for voltage threshold protection.

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