MV155F1DBS80E

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MV155F1DBS80E Application Field and Working Principle

MV155F1DBS80E is a high voltage midget fuse that provides high over current protection against short circuiting or overload in a wide range of electrical applications, as a part of the speciality electrical component industry. This fuse plays a crucial role in protecting equipment and personnel from the potential detrimental effects of electrical faults by providing circuit protection in industrial, commercial and residential applications.

Application Field

The MV155F1DBS80E fuse is a high-voltage midget fuse designed for medium voltage applications. It is applicable in medium voltage power distribution systems from 1000 volts up to 1250 kV. This fuse is typically applied in network substation faults, transmission lines, and medium voltage switchgear applications. It is ideal for use in underground and above ground power grids, as well as transformer protection.

This fuse is also suitable for use in motor-driven systems, including pump motor starters, transformers, switchgear, and motors in power connections. The fuse is able to provide protection for motor overloads or short circuits in the motor control circuits, and is one of the preferred choices for medium voltage switching and protection applications. It can also be used in the protection of electrical components, such as circuit breakers, capacitors, and relays, as well as in the protection of high voltage rectifier circuits.

Working Principle

The MV155F1DBS80E fuse is a high-voltage, midget-size, quick-acting fuse that functions when high levels of current pass through it. The fuse utilizes a vacuum-actuated design that allows for rapid interruption of electrical current flow. The mechanism is actuated when the current rating of the circuit is exceeded, which causes the fuse to quickly disconnect the circuit. This quick and reliable interruption prevents further damage or destruction of the electrical equipment.

The fuse contains a pair of contacts that are held together by a spring. The spring is initially compressed when current flows through the circuit, and when the current exceeds the fuse’s rating, the spring’s compression is released. This causes the contacts to separate, quickly interrupting the current flow and providing the protection required.

The MV155F1DBS80E fuse also features an indication mechanism that shows when there has been an interruption of current flow. When the contacts open, an indicator switch is activated, providing an easy-to-read visual indication of the fault. In addition, the fuse is capable of re-closing after fault conditions have been cleared, making it suitable for use in power grids and motor protection systems.

Conclusion

The MV155F1DBS80E is a midget fuse designed for medium voltage applications. It is suitable for use in network substation faults, transmission lines, and medium voltage switchgear applications, as well as motor-driven systems, such as pump motor starters, transformers, switchgear, and motors in power connections. The fuse is a vacuum-actuated design that quickly interrupts electrical current flows and also features an indication mechanism to alert users of a current flow interruption. This quick-acting fuse provides effective protection of electrical equipment and personnel from short circuits or overloads.

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