G3VM-2F(TR)

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G3VM-2F(TR) Application Field and Working Principle

Solid State Relays (SSRs) are electrical switches that utilize semiconductors as the switching element instead of the traditional electromechanical movable contact arm. G3VM-2F is series of SSRs manufactured by Omron, which has been well recognized as a reliable SSR solution in terms of manufacture, design and functionality.

G3VM-2F series SSRs are rated up to 10A and are used in both AC and DC electrical circuits. These SSRs have been primarily designed for industrial applications and are ideal for small and medium motor drives, various general-purpose machinery, temperature controllers, program-controlled relays and many more.

G3VM-2F series SSRs have a frame type construction that utilizes an encapsulated plastic material for improved reliability. In addition to its robust build quality, it also offers some additional electrical features such as continuous overcurrent protection, fast response, and reliable contact bounce detection. Its insulation performance is also quite impressive and it is rated for such electrical parameters as dielectric strength, cross-talk, EMI/RFI, surge voltage, etc.

Working Principle

The working principle of G3VM-2F series SSRs is based on the principle of a thyristor, a three terminal device which acts like a two-terminal switch. It is typically used to control the flow of electrical energy in AC and DC circuits. The G3VM-2F SSR unit has two thyristors, one that functions as an ON switch and the other as an OFF switch.

When the control input voltage is applied to the device, the ON thyristor is triggered, thus closing the loop from input to output. This creates a current flow through the output circuit. Conversely, when the input voltage is taken away, the OFF thyristor is triggered, thus breaking the current loop and opening the output circuit.

In addition to the thyristors, the G3VM-2F SSR unit also has two broken line switches. These switches act as additional failsafe to ensure that current may not flow even in cases where the ON thyristor is triggered and the OFF thyristor fails to open or vice versa. This peculiarity of the G3VM-2F series makes it highly reliable and suited for various critical applications in industries.

Conclusion

The G3VM-2F series of SSRs from Omron offer a reliable, functional and efficient solution for various types of industrial applications. It is based on a frame type construction that utilizes an encapsulated plastic material for improved reliability due to its inherent low leakage current. Moreover, its impressive insulation performance makes it suitable for various electrical parameters such as dielectric strength, cross-talk, EMI/RFI, surge voltage, etc. In addition, the use of two thyristors and two broken line switches as failsafes adds another layer of protection and assurance. The G3VM-2F series SSRs are ideal for small and medium motor drives, various general-purpose machinery, temperature controllers, program-controlled relays and many more.

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