BK1/C520-3-R

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Fuses

A fuse is an electrical device used to protect an electrical circuit. It works by interrupting the circuit when there is a overload of current. BK1/C520-3-R is an example of a fuse. It is often used in industrial and commercial applications. This article will discuss the application field and working principle of the BK1/C520-3-R.

Application field of BK1/C520-3-R

The BK1/C520-3-R is used for both AC (alternating current) and DC (direct current) applications. In an AC system, it is typically used to protect motors, transformers and other electrical components. In DC systems, it is used to protect circuits from power surges or overloads. It is also used in the protection of high-voltage AC systems and other high-risk electrical equipment.

The BK1/C520-3-R is also used in marine and aerospace applications. In these applications, it is used to protect sensitive electronic components from power surges and overloads that are usually caused by lightning and other external sources. Additionally, it is commonly used in the automotive industry to protect vehicle control units from malfunctioning power supplies.

In addition to the abovementioned applications, the BK1/C520-3-R can also be used in household electronics and appliances. It is often found in refrigerators, washing machines, air conditioners, and other appliances that require protection from electrical surges and overloads.

Working principles of BK1/C520-3-R

The BK1/C520-3-R works by sensing the current in an electrical circuit. If the current exceeds the fuse\'s rated range, the fuse will open, interrupting the flow of current and preventing electrical damage or a fire. This is known as the "thermal-magnetic" action. The fuse contains a small bimetallic strip that will expand and break the circuit when the current exceeds the rated range. This allows the fuse to open and protect the circuit.

The BK1/C520-3-R is also designed with an electromagnet that will open the circuit if there is a sudden spike in current. This helps protect the circuit from voltage spikes that can be caused by lightning. The electromagnet can react faster than the thermal-magnetic action and will open the

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