0202003.H

0202003.H Application Field and Working Principle

0202003.H, also known as the 02H current-limiting fuse, is designed to protect various types of electrical equipment, such as machines, transmission lines, and transformers, from electrical overloads and shorts.

The 02H current-limiting fuse consists of a metal housing, a ceramic tube, a conducting spring, and a bridge wire, all of which are enclosed in the metal housing. The ceramic tube, which is filled with arcing media, acts as an insulator between the two conducting springs on either end of the fuse. The conducting spring on one end connects to the bridge wire while the other end is connected to the electrical load. When an overload or short occurs in the electrical circuit, a large amount of current passes through the bridge wire, heating up the ceramic tube. Once the temperature reaches a certain limit, the break-arc media in the ceramic tube melts, causing the conducting spring on one end to break and the bridge wire to disconnect from the electrical circuit, thus limiting the amount of current that can pass through the circuit.

The 02H current-limiting fuse can provide superior protection, as it is designed to detect and interrupt overloads or shorts within a fraction of a second. In addition, its compact size and construction make it easy to install and maintain, making it suitable for a variety of electrical applications. Its high current-interrupting rating of 50 kA also makes it ideal for protecting high-voltage electrical systems, as it can withstand high levels of current without breaking down.

In summary, the 02H current-limiting fuse is an invaluable tool for protecting electrical systems from electrical overloads and shorts. Its quick response time and compact construction make it a preferable solution for a wide variety of applications. Its high current-interrupting rating also makes it well suited for protecting high-voltage electrical systems.