G3VM-353G1(TR)

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Solid State Relays

The G3VM-353G1(TR) is a type of solid state relay (SSR) which helps to bridge the gap between the traditional electromechanical relay and traditional solid state switching devices. SSRs provide reliable, high-performance control of electrical loads with no moving parts. Applications range from a wide variety of manufacturing, automotive, medical, and test and measurement scenarios, as well as anywhere in which mechanical contactors can be replaced with solid state components.

G3VM-353G1(TR) Application Field and Working Principle

The G3VM-353G1(TR) is a low-level sensitive SSR with zero crosstalk. It uses a bidirectional triac with two pairs of thyristors for conducting current either way between two AC terminals; hence, it can be used for both AC and DC signals. This SSR has a high level of noise immunity and much faster switching speeds than electromechanical relays, making it ideal for switching loads in industries such as consumer electronics.

As Solid State Relays do not use mechanical contacts, they are much more reliable than electromechanical relays, since current surges, spikes, and EMI are less likely to cause contact damage. Additionally, they do not suffer from the same wear-and-tear debilitating factors such as arcing or corrosion, so are much more long-lasting than reeds or contactors. The output and input of SSRs remain isolated, and they also offer more flexibility in circuit protection functions.

The G3VM-353G1(TR) can be considered a hybrid between a MOSFET drive and a conventional SSR. The input of the triac is controlled by a IR light-emitting diode (LED) optically coupled to a photosensitive silicon controlled rectifier (SCR) to realize optical isolation. It features a dielectric withstand voltage of 1000VAC, allowing for 2kV isolation between the input and output, providing a layer of extra safety and therefore allowing it to be used in high voltage applications. It also has a low static power consumption of 500μA, as well as a load current ranging from 0 to 40A, which makes it well-suited for power control applications.

The G3VM-353G1(TR) is best at applications where the load voltage exceeds the control voltage, such as motor control, dimmers, fans, and pumps. This SSR also offers a wide range of power ratings with the highest rating including 40A, so it can be used for heavier industrial applications. It is also useful for other applications such as lighting, process automation, medical equipment, temperature control, and electronic instruments. The G3VM-353G1(TR) is most suitable for controlling medium- to high-power loads in a variety of industrial and commercial applications, due to its zero crosstalk, optical isolation, and fast switching speed.

With its range of impressive features, the G3VM-353G1(TR)is a great choice of solid state relay. Its precise timing and fast switching capabilities, as well as its high isolation voltage make it ideal for a far-reaching number of applications, ensuring it can be used in many industries such as automotive, manufacturing, medical, and more.

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