KTU-400

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KTU-400 fuses are a type of electrical specialty fuses that serve a variety of applications. These fuses are designed to protect electrical and electronic circuits from damage due to overload and short-circuit conditions. The KTU-400 fuses are widely used in industrial, commercial, and residential circuits; typically found in motor control centers, factory machinery, heating and lighting equipment, motors, generators, and other industrial applications.

KTU-400 fuses are a specialty fuse due to their high current interruption ratings, unique melting-alloy design, and their ability to withstand extreme temperatures. Their current interruption ratings are usually above 100,000 amperes, and can reach much higher. The fused element contains a mixture of metals that have the unique ability to melt and interrupt large amperes in a short amount of time. This combination of metals also allows the fuse to maintain its structural integrity while operating in temperatures ranging from -60°C to +120°C.

The working principle of KTU-400 fuses is pretty simple. The fuse is connected in series with the circuit it is protecting. When the current flowing in the circuit exceeds the current interrupting rating (amperes) of the fuse, the fuse will melt and open the circuit. This interrupts any further current flow, and protects the circuit and/or device from electrocution or damage. These fuses are typically non-resettable, which means that they must be replaced after every trip.

In summary, KTU-400 fuses are specialty fuses that offer high current interruption ratings and are capable of operating in extreme temperatures. They are designed to protect circuits from damage due to over current or short-circuit conditions. The fuse acts by melting a mixture of metals which interrupts any further current flow. These fuses are typically non-resettable and must be replaced after every trip.

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