RL5020-2K-100-480-PTO

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PTC Resettable Fuses

The RL5020-2K-100-480-PTO is a resettable fuse designed for limiting inrush currents and short-term overloads in a variety of applications. It is a crucial component for delivering voltage and current throughout the power supply, and due to its flexibility and wide range of sizes it has become a popular choice for a range of electronic applications. In this article, we will discuss the application field and working principle of the RL5020-2K-100-480-PTO.

Application Field

The RL5020-2K-100-480-PTO is designed for current limiting in both AC and DC circuits, and is suitable for a range of current ratings from 1A to 40A with standard current ratings of 1A, 2A, 3A, 5A, 8A, 10A, 15A, 20A, 25A, 30A, 35A and 40A. Due to its flexibility and ability to tolerate short-term inrush currents, it is a popular choice for a variety of applications, such as servers, PCs, lighting systems, communications equipment, and other industrial applications.

In addition, the fuse is available in a number of different voltage ratings, such as 250V, 480V, and 600V, which makes it suitable for a variety of different power systems. This flexibility allows the RL5020-2K-100-480-PTO to be used in many different applications where a resettable fuse is required.

Working Principle

The RL5020-2K-100-480-PTO works by using the high melting rate of the polymeric material to limit the current. When the current reaches a certain level, typically around 2.1 times the rated current, the fuse disc melts and opens the circuit. This breaks the circuit connection and stops the current flow, thus protecting the circuit from overload.

After the fuse has broken the circuit, the current is completely disconnected. The polymeric material then cools down and the fuse automatically resets itself. This reset occurs when the voltage level is lowered to a level below the rated start level, typically around 2.1 times the rated current. Once the voltage has been lowered to the level of the start current, the fuse will reset itself and restore the circuit connection.

The RL5020-2K-100-480-PTO also has the advantage of being able to be reused multiple times. This is thanks to the self-resetting nature of the fuse, which allows it to reset itself and maintain the circuit connection. This can be done multiple times, allowing the user to be protected from repeated emergencies with minimal maintenance.

Overall, the RL5020-2K-100-480-PTO has a wide range of applications due to its versatility and reliability. Its ability to limit current and reset itself after its been activated makes it an ideal choice for a range of electronic applications requiring a resettable fuse.

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