142.6185.4752

Introduction to Fuses

A fuse is an electrical device used to protect a circuit from becoming overloaded. It does so by allowing a fixed amount of current—called the fuse rating—to flow through it; if the current exceeds the rating, the fuse is designed to blow. Fuses are designed to protect equipment and people by blowing before the circuit is overloaded, thus disconnecting the power supply and protecting everyone and everything in the circuit from damage.

Types of Fuses

There are various types of fuses, each with its own unique features. The most common types are:

• Cartridge Fuses – Cartridge fuses come in both AC (alternating current) and DC (direct current) versions. They are cylindrical in shape and contain one or more layers of wire that, when heated by the passing current, melts and thereby breaks the circuit.
• Blade Fuses – Blade fuses are most commonly used in automotive applications. They are often found in the form of a blade or plug-in type of fuse holder that accommodates multiple circuits. When overloaded, the fuse’s internal wire melts, allowing the circuit to be broken.
• Ceramic Fuses – Ceramic fuses are cylindrical or rectangular in shape and are made from a ceramic material. They are usually designed to protect a single circuit. When overloaded, the inside of the ceramic fuse melts, breaking the circuit.

142.6185.4752 Application Field & Working Principle

The 142.6185.4752 fuse is a cartridge fuse specifically designed for protection against spikes and surges in AC line voltages up to 600 V and has a current rating of 15 A. This fuse provides superior protection against both temporary overload currents and short-duration transients, ensuring the system remains protected. When exposed to excessive currents, the fuse wire within the fuse melts, thereby disconnecting the power supply and protecting the circuit against further damage.

Conclusion

Fuses play an important role in protecting circuits from overloads and short-duration transients. As such, they should be installed in any circuit to provide additional safety to both people and equipment. The 142.6185.4752 fuse is a great choice of fuse for AC line protection, providing both short-circuit and overload protection at the same time.