170E9180

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Electrical specialty fuses are often seen in circuit protection, as they are a lower-cost option compared to other over-current protective devices such as circuit breakers. The 170E9180 is one particular type of electrical specialty fuse that is specifically designed for use in low voltage power applications such as short circuit protection. In this article, we will discuss the application field and working principle for the 170E9180.

Application Field

The 170E9180 is designed for use in low voltage power applications such as short circuit protection. It is also commonly used for protection of existing three phase power distribution systems, ceramic and porcelain fuse circuits, and dry-type transformers. Additional uses for this type of fuse include protection of air conditioning equipment, commercial lighting, and other general purpose electrical applications.

Working Principle

The 170E9180 is constructed with a model-specific fuse holder and a ceramic body, and it has a rated current of 180A. The fuse’s electrical protection is achieved by incorporating two metal rods which are contained within the ceramic body of the device. The fuse holder is designed to contain the metal rods in its “closed” position, and the metal rods are connected in series with the circuit’s conductors. The metal rods will expand upon the application of over-current, which will cause the fuse holder to open thus protecting the circuit from further damage.

In addition to its mechanical design, the170E9180 is also designed with a voltage rating of 690VAC. This voltage rating ensures that the device can effectively protect the circuit from voltage spikes or other anomalies in the power supply. Finally, the fuse also features a time delay rating of 5 seconds to ensure the fuse is able to clear any short circuit faults within an appropriate amount of time, while not reacting too quickly to momentary over-current events.

Conclusion

The 170E9180 is a low voltage power specialty fuse that is designed for use in applications such as short circuit protection. Its construction features a model-specific fuse holder and a ceramic body, with a rated current of 180A and a voltage rating of 690VAC. The device also features a 5 second time delay to protect against short circuit faults, as well as voltage spikes and other anomalies. This makes the 170E9180 an ideal choice for protecting existing three phase power distribution systems, as well as other general purpose electrical applications.

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