MV055F2DAS400E

Series:	*
Part Status:	Active
Fuse Type:	Cartridge
Current Rating:	400A
Voltage Rating - AC:	5.5kV
Response Time:	--
Applications:	Transformer Protection
Features:	Visual Indicating
Class:	--
Approvals:	--
Operating Temperature:	--
Breaking Capacity @ Rated Voltage:	50kA
Mounting Type:	Holder
Package / Case:	Cartridge, Non-Standard
Melting I²t:	1190400

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Electrical, Specialty Fuses: MV055F2DAS400E Application Field and Working Principle

The MV055F2DAS400E is an electrical specialty fuse that is designed to provide robust protection to various types of electrical systems. Its specialty lies in its ability to offer reliable protection to applications that are required to handle extreme currents and require high levels of safety. It is commonly found in homes, businesses, and industrial settings, and its versatile design and construction make it an attractive option for a variety of applications.

What is the MV055F2DAS400E?

The MV055F2DAS400E is an electrical specialty fuse specifically designed with power components, such as transformers, motors, and circuit breakers, in mind. It isolates damaging electrical current by melting when overloaded, allowing any overloaded current to be safely conducted to the ground. This specialty fuse is constructed from two nickel-chromium alloy posts embedded in an epoxy housing. The two posts have opposing polarities that allow energy to move through the fuse in a controlled manner. The posts contain spring-loaded contacts that act as a fulcrum, allowing them to “bounce” when current passes through the post. This bouncing action helps provide protection against short-circuit current, as it can detect when voltage levels exceed allowable limits and trip the fuse.The MV055F2DAS400E is rated up to a maximum current of 400A. This is why it is often used in applications such as industrial power generation, HVAC systems, and other power-intensive scenarios.

Application Field of the MV055F2DAS400E Fuse

Since the MV055F2DAS400E is a specialty fuse, it is mostly used in applications that require robust protection from large and sudden electrical spikes. Its versatile design makes it an ideal choice for power companies and industrial operations. It can be used in a variety of applications, including: -Industrial power: Industrial power plants require fuses that can handle extreme current levels and accommodate large surges. The MV055F2DAS400E is well-suited for these demanding scenarios, as its construction is optimized to deal with sudden current spikes without the need to be reset. -Railways: The MV055F2DAS400E is regularly used on railways to protect locomotives and sub-stations from abrupt power surges. Its robust design helps prevent circuit and equipment failures by providing efficient circuit protection. -HVAC systems: In extreme weather conditions, many HVAC systems can be pushed to their limits. The MV055F2DAS400E can be used to protect the system from over-currents and other electrical malfunctions. This helps ensure that the HVAC system runs smoothly and limits the potential of breakdowns.

Working Principle of the MV055F2DAS400E Fuse

The MV055F2DAS400E Fuse works in a very simple yet efficient way. It works on the principle of thermal protection, where the fuse has two metal posts that are embedded in an epoxy housing. The two posts have opposing polarities and when the current passes through the fuse, an opposing magnetic field is formed. This field controls the movement of current through the fuse. The posts are also equipped with spring contacts which work as a fulcrum allowing them to move when current passes through the posts. When a short circuit occurs, the current that is running through the device is too great for the posts to handle and the contacts get forced together creating a union that acts as the fuse. When this happens, the contacts heat up and eventually burn out which prevents an excessive amount of current from passing through the devices. In the event of a ground fault, the fuse is able to detect when voltage levels exceed allowable limits and trip the fuse. This is to help protect the devices connected to it.

Conclusion

The MV055F2DAS400E is an electrical specialty fuse designed to provide protection to power systems and equipment from damaging over-currents. Its unique design and construction make it an attractive option for a variety of applications, such as industrial power, railways, and HVAC systems. Its working principle is based on thermal protection, where the posts have opposing polarities that help create an opposing magnetic field which controls the flow of current. The posts also contain spring-loaded contacts to detect when voltage levels exceed allowable limits and trip the fuse.

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