021802.5H

021802.5H Application Field and Working Principle

021802.5H is a special type of fuse which is designed to protect electronic components of high power equipment from electrical overloading, shorts and other serious damages. Generally, these fuses are designed to work in extreme temperatures and harsh environments.

Application Field

021802.5H fuses are mainly used in power distribution industry, such as power utilities, nuclear, shipbuilding, chemical, mining and steel industry. In addition, these fuses can also be used in other applications, such as motor protection, air conditioning, heating systems, elevators, electronics equipment, and much more.

Working Principle

021802.5H fuses are made of a high strength coiled wire which is both resistant to corrosion and wear. The fuse works by breaking the electrical connection between two points when the current proves too strong for the fuse wire. The amount of current which will cause the fuse to open needs to be at least two times higher than the previously set current limit. The fuse will melt and separate itself from the circuit, resulting in a discontinuity and further isolating the fault, thereby protecting the equipment. Other models of 021802.5H fuses have a built-in safety device which can limit the current levels to under a set threshold.

Advantages and Disadvantages

Advantages of 021802.5H fuses include their precise current limitation, high breaking capacity, long life and compact design. They also require no maintenance and are cost-effective. However, these fuses also have some disadvantages, such as their low withstand voltage, which limits their application in high voltage circuits and long lead times which results in unsatisfactory delivery times.

Conclusion

021802.5H fuses are the perfect choice for those looking for a reliable and cost-effective way to protect their electrical equipment from overloads and short circuits. They are designed to operate even in harsh environments and provide long-lasting protection. However, these fuses also have some drawbacks which must be taken into account when selecting the right type of fuse for the application.