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Fuses

Fuses are electrical protection devices designed to temporarily interrupt an electrical circuit in the event of an overload or short circuit. They can be found in the electrical panels of residential, commercial, and industrial facilities. One of the most commonly used types of fuses is the 39208000440.

What is the 39208000440?

The 39208000440 is a lightweight, low-profile ferrule type fuse designed for applications such as industrial motor controls. It is a UL Recognized component and meets many international safety standards, including IEC, CSA, and VDE. It is rated for 250V AC, 1A, 100kA interrupting capacity, and has a high breaking capacity. The fuse is designed with a unique two-way design to ensure that the fuse is inserted the correct way.

Application Field

The 39208000440 has a wide variety of applications. It can be used in motor control circuits, HVAC systems, welding equipment, and fire alarm systems. It is also ideal for use in surge suppression applications due to its high breaking capacity. It is suitable for a variety of load types, including resistive, inductive, and capacitive loads.

Working Principle

The working principle of a fuse is simple: it acts as a circuit breaker by interrupting the flow of electricity when the current exceeds the protection rating of the fuse. The 39208000440 is designed to detect an overload or short circuit by measuring the current flow. When the flow of current exceeds the maximum rating of the protection, the fuse will automatically open and interrupt the circuit, preventing further damage from occurring.

When a fuse is connected to an electrical circuit, it creates a low resistance path for the current to flow through. As long as the current flowing through the fuse is below its rated protection level, the fuse will remain in its closed position and allow the current to flow through. When the current exceeds the protection level, the metal strip inside the fuse will heat up rapidly and melt, interrupting the flow of current and protecting the circuit from further damage.

Conclusion

The 39208000440 is a lightweight, low-profile ferrule type fuse designed for a wide range of applications. It is UL Recognized and meets various international safety standards. It is designed to detect an overload or short circuit by measuring the current flow, and will automatically open and interrupt the circuit to prevent further damage. With its high breaking capacity and flexibility, the 39208000440 is the perfect choice for many different types of applications.

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