066302.5HXSL

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Fuses are essential components in power distribution systems. They are designed to protect circuit or apparatus in the event of an overload, short circuit, or other fault conditions. The 066302.5HXSL is an unique type of fuse developed by General Electric. Its wide application and working principle will be discussed in this paper.

Overview of the 066302 .5HXSL

The 066302 .5HXSL is a two-level ferrule-style fuse with an interruption rating of up to 25kV. It is designed foruse in high-voltage power systems and is approved by UL and CSA for its operational stability and safety. The product is made of UL-rated 94V-2 materials and has a continuous current rating of 300 amps.

The fuse is 1 inch in diameter and 6 inches in length and has a maximum interrupting rating (MIR) of 30 kA. It has an over-voltage protection of up to 30kV and is temperature-rated from -40℃ to 85℃. It is also designed for use in systems up to 25kV AC. In addition, it offers a reliable and convenient design, thanks to its one-piece design with quick-connect terminal caps.

Application Field of 066302.5HXSL

The 066302.5HXSL is suitable for applications with power levels ranging from very low to very high. It is used in conjunction with other components such as circuit breakers and surge protection devices. Thanks to its UL certification, the fuse is particularly suitable for use in industrial, commercial and residential power supply systems.

Additionally, the 066302.5HXSL is also used for critical infrastructure, such as telecommunications networks, energy distribution, as well as transport systems, including electrical railways and autonomous vehicles. This fuse is also widely used in the renewable energy sector, where it is used to ensure the reliable operation of photovoltaic and wind power plants.

Working principle of 066302.5HXSL

The 066302.5HXSL operates according to an overcurrent protection principle. In essence, when the fuse reaches a specific current level, its element melts and interrupts the circuit, thus providing overload and short circuit protection. This protection is realized via a metal strip or foil of a predetermined breaking point, which is encased in a heat-resistant material.

The fuse conducts the current until it reaches a certain level, at which point the metal strip or foil melts. The material that the metal strip is encased in ablates, absorbing energy and dispersing it into the ambient air. This has the effect of reducing the temperature of the fused element, thus cutting off the power supply.

Pulsed overcurrents, or inrush currents, are also catered for. This is achieved by the fuse’s unique construction, which features a one-piece core design with quick-connect terminal caps. This design is able to respond and protect against such current overloads with a higher level of accuracy and speed than other fuses.

Conclusion

The 066302.5HXSL is a two-level ferrule-style fuse with an interruption rating of up to 25kV. It offers a reliable and convenient design thanks to its one-piece design and quick-connect terminal caps, and its wide application, from very low to very high power levels, is ensured by its UL certification. In terms of working principle, it operates on an overcurrent protection principle, relying on metal strips of a predetermined breaking point encased in a heat-resistant material, which melts when the fuse reaches a certain current level.

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