FNA-3/4

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FNA-3/4 (Fast acting Type-N Fuse) is a special type of fuse designed for protecting electrical circuits from overloads and short circuits. These fuses have been designed to work in extreme conditions, and are ideal for applications in high temperature, corrosive and other harsh environments. They have a low breaking capacity and fast response time.

FNA-3/4 fuses are designed for special applications such as motor protective circuits, transformers, photovoltaic systems and solar inverters. These fuses can also be used as a protection against direct current or peak over-current conditions. The fuses can easily be applied to any circuit with very little modification required. They are also suitable for use in electrical equipment and lighting systems.

FNA-3/4 fuses have a unique feature called the back saver. This feature enables the fuse to open quickly and safely, without leaving any residue on the circuit. The current carrying capacity of the fuse is determined by its size and the maximum rate of current being applied to the circuit. It is important to use the correct size of fuse to ensure adequate protection of the circuit.

The working principle of FNA-3/4 fuses is based on the Joule\'s Law of resistance. This law states that the rate of heat generation caused by the flow of current in an electrical circuit is directly proportional to the square of the current and the resistance of the circuit. This means that when the current exceeds the specified rating of the fuse, the heat generated will increase exponentially, leading to a rapid rise in temperature. The fuse then opens and the current is stopped.

FNA-3/4 fuses are known for their quick response time and high performance. These fuses have a temperature controlled contact design which helps to avoid any additional damage to the circuit when the fuse trips. The fuses can also be used for low power applications such as light bulbs. This makes them very versatile and suitable for various applications.

FNA-3/4 fuses are designed to provide reliable and efficient over-current protection. They are available in various sizes and voltage ratings in order to meet the user\'s requirements. These fuses can be used in combination with other protection devices to provide optimum protection for any electrical circuit.

The FNA-3/4 fuse is an important safety equipment used in many industries for its superior performance and durability. The fuse is ideal for use in harsh conditions and is a perfect choice for applications where space is limited or the circuit is difficult to access. It is also suitable for long-term use in critical applications. With its superior performance, compact design and reliability, the FNA-3/4 fuse is a great choice for protection of your electrical circuits.

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