3AP 4-R

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Fuses are an important and indispensable part of any electrical system, as they are responsible for preventing overload, has a voltage drop point and can protect against short circuits. The 3AP 4-R is a modern fuse designed for low voltage electrical systems, and is becoming increasingly popular due to its robust construction, high current rating and easy installation.

The 3AP 4-R fuse is a two-pole fuse designed for applications between 250 volts and 690 volts. It is designed to be used in three-phase current systems and is also used in telecommunications, energy-saving systems, frequency converters and short circuit protection. It has an average melting time of 2 ms, which allows it to react quickly to power surges and protect the system from further damage.

The 3AP 4-R fuse works by allowing a safe amount of current to travel through the circuit until it reaches the rated breaking capacity. At this point, the heat from the current causes a fast-acting element to melt, thus breaking the current and providing protection. The 3AP 4-R fuse measures just 20 mm x 40 mm and is designed to fit in common MCBs and fuses carriers, which makes it very easy to install in an electrical system.

The 3AP 4-R fuse has a number of advantages over traditional fuses. Firstly, it offers protection from short-circuits and overloads, and because of its two-pole design, it eliminates the need to use separate up-cutting and down-cutting fuses, resulting in savings in time, space and money. Secondly, it is very easy to install and replaces replaceable fuses with no need for separate connections.

In summary, the 3AP 4-R is a modern fuse designed for low voltage electrical systems. It is a two-pole fuse which offers protection from short-circuits and overloads, and is easy to install. Its small size and simple installation make it ideal for applications between 250 volts and 690 volts, and its fast-acting element helps to protect the system from damage.

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