0465005.DR

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0465005.DR Application Field and Working Principle

Fuses are one of the most important safety devices used in the electrical industry. Their role is to prevent damage to electrical equipment caused by short circuits, overloads, direct current, or lightning strikes. Normally, fuses will do their job long before the short circuit or overload occurs. In addition, they can help prevent fires that may result from these causes.

What is 0465005.DR?

0465005.DR is a type of industrial current limiting fuse manufactured by Cooper Bussmann. The 0465005.DR can protect from high currents and arcing due to lightning, short-circuits, and ground fault currents in industrial and commercial applications. It is designed for use with large AC and DC motors and switch gear and has over current protection of up to 2,000 amps. The 0465005.DR is available with or without flag indicator for easy visual identification of an over current condition and features an economical time delay element that reduces nuisance tripping.

Application Field of 0465005.DR

0465005.DR is used in a variety of industrial and commercial applications. Its primary field of use is in high-current motors, switch gear, and generator installations. It is designed to protect against over current, over temperature, and ground fault currents that can be caused by short circuits, arcing, lightning, or other internal overloads.

Working Principle of 0465005.DR

The 0465005.DR works by using a thermal fuse element that melts when it is exposed to a set current level for a set amount of time. This exposes the arc-gap, allowing the current to be safely diverted away from the electrical equipment. The thermal fuse element is surrounded by sand which acts as an insulating material and helps to protect the arc-gap from short-circuiting.

The 0465005.DR also features an adjustable time-delay element that can be used to select the amount of time for the current to remain before it will trip the over current protection. The time-delay can be adjusted to reduce the chances of nuisance tripping.

Conclusion

0465005.DR is an industrial current-limiting fuse manufactured by Cooper Bussmann. It is used in a variety of industrial and commercial applications for protection against high currents and arcing due to short-circuits, lightning, and ground faults. The 0465005.DR features an adjustable time delay element and over current protection of up to 2,000 amps. When an overload occurs, the thermal element melts, exposing the arc-gap, and allowing the current to be safely diverted away from the electrical equipment.

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