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Fuses: 2JS 4-R Application Field and Working Principle

Fuses are an important part of the electrical landscape and are widely used in numerous applications. A fuse is a circuit protection device which is designed to isolate and protect an electrical circuit from excessive current, thus preventing electrical equipment from becoming damaged or destroyed. In short, fuses provide current control to ensure that a circuit is operating safely.

The 2JS 4-R is a special type of fuse, designed to protect electrical circuits from damage or destruction due to excessive current. The fuse is mainly employed in industrial and commercial premises, automotive, and power electronics applications. This article gives an in-depth look into the application field and the working principle of 2JS 4-R fuse.

Application Field

2JS 4-R type fuses can be widely used in industrial equipment, such as power plants, refineries, chemical engineering plants and printing workshops. It can also be applied in power electronics, electrical service entrance panels, air conditioning units, motor circuits, and communication systems. These fuses are suitable for all types of current control devices and electrical wiring systems, such as TV sets, home appliances, office equipment, and lighting luminaires.

2JS 4-R fuses are also commonly used in automotive applications such as communication systems, antennas, battery charging systems, automotive lighting, audio, and navigation systems. They are also widely used in high-voltage power distribution systems, where the need for high current control and reliability is of paramount importance.

Working Principle

The 2JS 4-R fuse consists of two parts: a copper ribbon and a steel fuse tube. The copper ribbon acts as a fusible link and is heated by passing electricity through it. As the copper ribbon becomes hot, it eventually creates an arc across a specially designed spring-loaded contact. This causes the arc to break, thus breaking the circuit and stopping the flow of current.

The fuse tube is made of steel and helps in dissipating the heat generated by the arc. The fuse tube also stops excess current from passing through by creating a high resistance to the flow of current. This helps in protecting the electrical equipment or components from being overloaded and consequently damaged.

The 2JS 4-R fuse is a highly reliable device. It is designed to meet all safety requirements and has the ability to withstand voltage peaks up to 4000V. The fuse can also handle up to 16A of current. Furthermore, the fuse has a high breaking capacity, providing additional protection against the effects of long-time current surges.

Conclusion

2JS 4-R type fuses are designed to provide current control and protection to electrical circuits from excessive current. It is mainly employed in industrial and commercial premises, automotive, and power electronics applications. The fuse consists of two parts, namely a copper ribbon and a steel fuse tube, and it has a high breaking capacity for extra protection against the effects of long-time current surges. This fuse is a reliable device that ensures safety and can handle up to 16A of current.

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