BK/ETF-2.5

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Fuses are one of the most important safety components in power electronics systems. The BK/ETF-2.5 fuse is a commonly used device in this type of application and is particularly suitable for applications that require low current interruption. This article will take a closer look at the application field of the BK/ETF-2.5 and its working principles.

The BK/ETF-2.5 is mainly used in low voltage applications, such as motor control, solar photovoltaic inverters, frequency converters and uninterruptible power supplies. This fuse is rated for use with a voltage of up to 600 volts and currents from 0.2 to 12.5 amps. It is also suitable for equipment that requires reliable bonding and grounding connections.

The fuse is composed of a series of spiral turns made up of three different copper strands. The copper strands are coated with zinc or tin to protect them from deterioration. The fuses also have a metal lead that is connected to the electrical connection and is used to connect it to a live terminal. The metal leads are insulated from the spiral turns with a heat-resistant insulating layer.

The fuse works by introducing a small resistance into the circuit when a large current is sent through it. This resistance will cause the current to be limited, which protects the related equipment from damage. The resistance is also used to protect the fuse itself from melting due to the high current. Once the current reaches a certain level, the resistance will cause the fuse to blow. This process is known as \'tripping\'. It is important to note that the BK/ETF-2.5 fuse cannot be reset after it has tripped, it must be replaced.

The BK/ETF-2.5 provides great protection to electrical equipment from short circuits and overcurrents. The fuse is relatively low-cost and easy to install. It is also designed to provide maximum protection without damaging other components in the system. The fuse is also highly resistant to vibration and shock, making it a great option for applications with high levels of vibration or shock.

Overall, the BK/ETF-2.5 offers great protection for low voltage applications. The fuse is well-suited to motor control, solar photovoltaic inverters, frequency converters and uninterruptible power supplies. The fuse is composed of three different copper strands coated with zinc or tin, and it works by introducing a small resistance into the circuit when a large current is sent through it. This resistance will limit the current and protect the related equipment from damage. In addition, the fuse is highly resistant to vibration and shock, making it a great choice for applications that experience high levels of vibration or shock.

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