V68MT3B Circuit Protection

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The V68MT3B is a type of surge protection device belonging to the class of TVS - Varistors, MOVs. It is designed to protect sensitive electronics from voltage transients and noise spikes in power supply lines. As such, it is commonly used in industrial control systems, telecommunications, and computers.The V68MT3B device consists of two metal-oxide varistors (MOVs) connected in parallel. It has a peak clamping voltage of 68 volts, and a wide clamping range. The device is non-polarized and constructed with epoxy resin, making it highly reliable and mechanically durable.Working PrincipleThe V68MT3B works by providing a low-impedance path to ground during a transient event or noise spike. By shunting it away through a low-impedance circuit, the surge or spike is dissipated, preventing it from affecting the equipment connected to the power supply line.When a surge or spike occurs, the two MOVs conduct current to the ground, creating a low-impedance path. The energy of the surge is then dissipated through the two MOVs by transferring the energy to the ground. The MOVs involved can take up to several hundred volts, depending on the size of the surge.During normal operation, the MOVs are not conducting and present an extremely high impedance, blocking the electricity from passing through to the ground. However, when a surge or spike is detected, the MOVs become conducting and provide the low-impedance path for the surge or spike to reach the ground.To ensure a maximum transient protection, it is important to install the V68MT3B in accordance with OEM instructions. This will help ensure optimal transient protection and maximum system reliability.ConclusionThe V68MT3B is a TVS - Varistor, MOV- type surge protection device designed for industrial, telecommunications, and computer applications. It works by providing a low-impedance path to ground during a transient event or noise spike, dissipating the energy and preventing it from affecting the equipment. To ensure proper and optimal transient protection, it is important to follow OEM instructions for installation.

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