DFJ-90

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Electrical, Specialty Fuses: DFJ-90 Application Field and Working Principle

The DFJ-90 fuse is a specialized electric fuse designed to perform a variety of functions and protect electrical systems. Commonly used in military and commercial applications, these fuses have become an invaluable part of the electrical industry. This article will take an in-depth look at the application field and working principle of the DFJ-90.

Application Field

The DFJ-90 can be found in a variety of industries, including military, aerospace, and automotive. In the military, these fuses are used in many electronic and communication systems for protection against accidental short circuits, open circuits, and over current. This ensures that the electronic systems remain reliable and safe.

The DFJ-90 is also highly sought after in the aerospace industry. Due to its ability to protect delicate systems, this fuse is commonly used in flight control systems, navigation systems, and aircraft engines. As these systems are often exposed to extreme temperatures and other harsh conditions, the DFJ-90 acts to provide the highest levels of protection and safety.

In the automotive industry, the DFJ-90 is used in airbag and seatbelt systems, as well as fuel systems and electrical systems. As these systems can also be exposed to extreme temperatures and other harsh conditions, the DFJ-90 provides an effective and reliable protection against electrical accidents.

Working Principle

The DFJ-90 works by detecting a fault electrically and cutting the power to the system. By doing this, the safe operation of the system is maintained.

The DFJ-90 is made up of two main components - a contact and a thermal element. The contact is responsible for closing and opening the fuse circuit, while the thermal element is responsible for detecting the level of current flowing through the system. When the current level reaches a certain level, the thermal element will detect the surge and activate the contact to open the circuit and cut the power to the system.

Additionally, the DFJ-90 also has an additional feature designed to protect the system from over heating. This feature works by detecting the temperature of the system and, when necessary, opening the contact to reduce the heat level. This allows the system to be cooled down and helps to protect the components from burning out.

The DFJ-90 is highly reliable and accurate, making it an excellent choice for use in a variety of industries. Its capabilities also make it very easy to install and maintain.

Conclusion

The DFJ-90 is an invaluable component of the electrical industry. Due to its reliable and accurate design, it has become a popular choice in both the military and commercial industries. Its ability to protect systems from short circuits, open circuits, over current, and overheating makes it an essential part of any electrical system.

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