V115SM7 Circuit Protection

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TVS (transient voltage suppressor) diodes and Varistors, also known as MOVs (metal oxide varistors), are two types of voltage-dependent devices. They are responsible for limiting overvoltage transients so that the connected device remains safe and operational. The V115SM7 is a very popular Type II Surge Arrestor manufactured by ST Products and is designed to provide protection for consumer and industrial applications.

The V115SM7 has a clamping voltage rating of 16.7V, a discharge current rating of 1kA, and an energy absorption rating of 300J. In addition, it has an extremely fast response time and can react quickly to overvoltage transients. This makes it ideal for protecting sensitive electronics and communications devices from electrical surges and spikes.

The working principle of the V115SM7 is based on its metal oxide varistor (MOV) technology. The voltage-dependent element of this device enables it to suppress overvoltage transients when they occur. How it works is simple; when a transient is applied across the MOV, it quickly changes its resistance and begins to absorb the excess energy produced by the transient. As the voltage of the transient decreases, the MOV\'s resistance returns to its normal range. In the end, the excess energy has been discharged and the connected device is safe from damage.

The V115SM7 can be used in a variety of applications, such as protecting AC power supplies, alarm systems, computer and telecommunications equipment, emergency lighting controllers, fax machines, and motor controllers. It is also commonly used in residential, commercial, and industrial environments.

The V115SM7 is one of the most popular surge arrestors on the market due to its combination of high performance and excellent reliability. It has been extensively tested and is UL recognized as well as UL and CSA listed, providing added confidence for users that it will do its job when called upon.

In summary, the V115SM7 is a reliable and effective surge protector for consumer and industrial applications. Its MOV technology helps to quickly and efficiently protect sensitive devices from electrical surges, thereby preventing costly repairs or replacements.

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