FWP-40

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FWP-40 is one of the most popular specialty fuses used in the electrical industry today. It is used in a wide variety of applications, such as noise suppression, lightning protection, over current, and over voltage protection. The FWP-40 fuse is based on the time delay fuse design, which includes an overtemperature cut-out (OTC) trip mechanism.

The FWP-40 fuse is comprised of two basic components: an upper body and a lower body. The upper body of the fuse is made up of metal strips, while the lower portion holds a metal coil assembly with two hot wires connected to the center of the coil. The flux and current paths are totally enclosed in a steel jacket. The metal strip in the upper body of the fuse is a temperature-sensitive type, which can detect any excessive temperature of the current, while the lower body holds a bimetallic strip, which opens the circuit under high temperature conditions.

The FWP-40 fuse works by detecting any increase in temperature caused by an overload or short circuit current in an electronic circuit. The temperature-sensitive metal in the upper body and the bi-metal in the lower body measure the temperature and adjust the resistance of the fuse accordingly. If the temperature of the circuit reaches a critical level, the bi-metal strip will deform and the two hot wires that are connected to it will open the circuit, thereby preventing any further damage to the circuit.

The FWP-40 fuse is also designed to reset itself after the overload or short circuit has been removed. This is done by the bi-metal strip, which returns to its original shape, allowing the circuit to resume normal operations. The FWP-40 fuse is a very reliable and economical device, making it a popular choice for many electrical applications.

In summary, the FWP-40 fuse is a specialized time delay fuse designed for use in electrical applications. It is made up of a metal strip and bimetal strip, which measures and adjusts resistance accordingly when an overload or short circuit occurs. The fuse is also designed to reset itself after the event has been removed, making it a reliable and economical choice for many electrical applications.

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