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Fuses

Fuses are devices designed to protect electric circuits against overload and short circuits. They work by having a wire, known as the fuse element, that is designed to heat up quickly and melt when it carries too much current. As the fuse element is an electrical conductor, it’s also prone to the same resistance as other electrical components, which in turn limits the amount of current it can carry and the current it carries will be restricted to what is safe for the circuit it is designed to protect.

0034.7312 application field and working principle

0034.7312 fuses are general purpose high interrupting capacity fuses designed primarily for the application of AC circuit protection when additional features such breaking capacity, selective coordination or other high interrupting requirements are necessary. These fuses are typically used in commercial and residential applications, where protection from overloads, short-circuits and high level of interrupting capacity is necessary.

Fuse 0034.7312 is a fast-blow type fuse. The fuse has two pieces- a contact and a fuse element. When the contact is connected to the source of power, current is allowed through the fuse element. As the current passes through the element, it heats up. When the current passing through the element is too great, the heat generated is more than the fuse element can bear and it melts, thus interrupting the current flow and protecting the circuit.

It\'s important to note that 0034.7312 fuses offer improved protection by blowing much sooner than conventional fuses. This allows them to protect downstream components from damage due to an overload or short circuit. This also prevents other components from failing due to the high current draw of the failed component.

In addition to providing protection from overloads and shorts, 0034.7312 fuses also offer improved protection from lightning strikes. These fuses possess high breaking capacity and can significantly reduce the lightning energy going into a downstream circuit.

Overall, 0034.7312 fuses provide superior protection for applications that require high interrupting capacity, such as line protection, residential protection, short circuit protection, and overvoltage protection. They are also suited for applications such as circuit breakers and motor protection.

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