5MTP 125

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Fuses

Fuses are electrical components that are used to protect electrical circuits from excessive current. A 5MTP 125 fuse is a medium-duty, fast-acting, time-delay fuses designed for motor circuit protection. They are especially applicable in the application fields, such as elevators, air-conditioners, generator sets, medical equipment and compressors.

The 5MTP 125 is a dual-element medium voltage fuse with both time-delay and fast-acting characteristics. It has three types: current limiting, dual element time delay, and dual element fast-acting. Each type serves a different purpose and has its own working principles.

Current Limiting type – The current limiting type provides fast-acting overcurrent protection while allowing large amounts of motor inrush and start-up current to flow. This type of 5MTP 125 fuse has a heat-sensitive element that is a bimetallic strip. When current passes through the element, the heat generated melts the insulation, causing the element to deform and the connection to be broken, thus turning off the power.

Dual Element Time Delay type – This type is designed to provide a time-delay much longer than the current limiting type. The 5MTP 125 dual element time delay fuse consists of two independent, heat-sensitive elements that work together. The first element is the current limiting element, which provides the fast response, while the second element is a heat sensitive element that opens after a period of time. When the current passes through the element, the heat generated melts the insulation, causing the element to deform and the connection to be broken, thus slowing the trip time of the fuse.

Dual Element Fast-Acting type – The dual element fast-acting type fuse is designed to provide fast-acting protection without the need for additional motor inrush or start-up current. The fast-acting 5MTP 125 fuse consists of two independent elements: one for fast response and one for higher levels of current. Both elements are heat sensitive and when too much current passes through, the insulation melts, causing the element to deform and the connection to be broken, thus opening the circuit.

These three types of 5MTP 125 fuses have various application fields and working principles. Their application fields include elevators, air-conditioners, generator sets, medical equipment and compressors. In addition, they are also used in a variety of industrial and commercial applications. Each type of 5MTP 125 fuse has its own working principle, depending on the application.

In conclusion, the 5MTP 125 fuse is a versatile and reliable electrical component. It is applicable in a wide range of applications, from residential to industrial, and its three types of fuses each have their own working principles. With its ability to provide fast-acting overcurrent protection, this fuse is essential in circuit protection.

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