0498070.TXN

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Fuses

A fuse is an electrical device used to protect circuits and devices from excessive current. The 0498070.TXN is a fuse designed to protect against short circuits in a medium-voltage circuit. It is also known as a break-before-short fuse, which is the main type of fuse used in medium-voltage applications. This type of fuse is designed to open the circuit before it is damaged by excessive current.

Applications

The 0498070.TXN fuse is designed for medium-voltage applications with a nominal system voltage of up to 5 kV. It is commonly used in industrial and commercial applications, such as overhead distribution systems, power factor correction equipment, emergency lighting systems, and motor control centers. The fuse is also commonly used in residential applications, such as circuit breaker panels, fuse boxes, and air conditioning systems.

Construction

The 0498070.TXN fuse has a tubular-type construction, which is designed to provide excellent short-circuit current and short-time current ratings. It is constructed of a zinc-plated steel case, a polyester-filled case seal, and a stainless steel tube. The tube has a gas seal, which prevents arc-cast particles from escaping during a fault and causing damage to other nearby equipment. The fuse is also designed to withstand up to 5 kV of electrical shock.

Working Principle

The 0498070.TXN fuse operates by melting a thin wire within the fused element under excessive current. This melting process interrupts the electrical current, causing the fuse to open and protect the circuit from damage. The fuse is designed to open before the rated normal current or the maximum available fault current is reached, which helps to reduce the risk of equipment damage. The fuse also has a built-in arc-suppression feature, which helps to reduce the risk of arcing and other undesirable effects.

Advantages

The 0498070.TXN fuse offers several advantages over other types of fuses. It has a high interrupting capacity, which helps to protect the circuit from higher fault currents. The fuse also has an excellent short-time current rating, which helps to reduce the risk of equipment damage. It also provides good electromagnetic interference (EMI) suppression, which can be beneficial in certain applications. Finally, the fuse has a relatively low cost, which makes it a cost-effective solution for many applications.

Conclusion

The 0498070.TXN fuse is a medium-voltage fuse designed for use in a variety of applications, from overhead distribution systems to circuit breaker panels. It is constructed of zinc-plated steel and stainless steel, and has a polyester-filled case seal and a gas seal. This fuse is designed to open the circuit before it is damaged by excessive current, and has a high interrupting capacity and excellent short-time current rating. It also provides good EMI suppression and is fairly cost-effective. The 0498070.TXN fuse is a reliable and cost-effective solution for many medium-voltage applications.

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