BK/AGA-3/4

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Fuses are safety devices used to protect electrical systems and circuits from damage due to excessive currents, usually caused by an overload or short circuit. The BK/AGA-3/4 is a type of fuse designed for a variety of circuit protection applications. This article will discuss the application field and working principle of the BK/AGA-3/4 fuse.

Application Field

The BK/AGA-3/4 fuse is used to protect electrical circuits from damage due to excessive current. This includes providing protection for motors, transformers, resistors, capacitors, and other electrical components. This fuse is suitable for applications where the voltage is up to 1000V and the current rating is up to 400A. It is also suitable for applications where the ambient temperature is between -40°C to 80°C.

Additionally, the BK/AGA-3/4 fuse is UL Listed and CSA Certified for special applications. It is also available with a dual-action circuitbreaker option that provides protection and control in the event of an overcurrent situation.

Working Principle

The BK/AGA-3/4 fuse works by interrupting the flow of current when the current reaches a predetermined level. This current interruption is caused by a heat-sensitive element that melts when it reaches a certain temperature. This is known as a “fuselink”.

The fuselink is a calibrated link contained within the fuse which is made of a material (such as copper or aluminum) that has a high melting point. When the current flowing through the fuse exceeds the fuse’s rated value, the heat generated by the high current melts the fuselink, thereby breaking the circuit and preventing further current flow.

The BK/AGA-3/4 fuse is designed to respond quickly to an overload or short circuit situation. It has a fast response time and can interrupt the current in less than half a second. The fuse also has a low operating voltage and can be used in circuits with low voltage.

The BK/AGA-3/4 fuse is a useful and reliable protection device for many electrical applications. It is easy to install and provides fast response in the event of an overcurrent situation. The fast response time and low operating voltage make it an ideal protection device for a wide variety of circuits.

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