0213.315MXP

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Fuses have been in use since the beginning of electricity. They provide a convenient and relatively inexpensive way to protect electrical circuits from short circuit and overload. 0213.315MXP, also known as SF20, is a type of fuse used in medium-voltage power distribution systems and is designed to protect overhead and underground cables. This article outlines the application fields of the 0213.315MXP and its working principle.

Applications of 0213.315MXP

The SF20 is designed to protect cables and equipment in medium-voltage circuits against short circuits up to 20kA. It is commonly employed in 600-volt AC circuits. It is used for both overhead conductors and underground cables, as it can be installed in vertical or horizontal orientations. The series responds quickly to faults, with a short-circuit trip time of approximately 10 cycles and a maximum voltage drop of 8 volts.

The 0213.315MXP can also be used in outdoor locations where the fuse may be exposed to high levels of humidity and dirt. Additionally, it can be used with fused cutout sections. Here, the cutout itself provides protection against overvoltage and the SF20 provides short circuit protection. This arrangement is commonly used in telecommunications applications.

Working Principle of 0213.315MXP

The 0213.315MXP utilizes a current-limiting fuse element to provide protection against short circuits. The fuse element consists of a copper core with an all-encompassing conductor. When current levels exceed a certain predetermined level, the element melts, allowing the circuit to be broken and thus protecting the equipment from further damage. The advantage of this style of fuse is that the current-limiting element only requires a minimal amount of energy to interrupt the circuit.

In addition, the fuse element is designed to be self-resetting and can be reused multiple times. This eliminates the need to replace the fuse element each time a fault occurs. This capability makes the 0213.315MXP cost-effective and efficient in protecting the circuit.

Conclusion

The 0213.315MXP provides efficient, cost-effective protection for medium-voltage circuits against short circuits. It can be installed in both horizontal and vertical orientations and is suitable for both overhead and underground cables. It also utilizes a self-resetting current-limiting fuse element for protection. These characteristics make it well suited for use in a range of applications, from telecommunications to power distribution.

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