RHEF100

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A polyfuse, or more commonly known as a PTC (Positive Temperature Coefficient) Resettable Fuse, is designed to automatically reset itself after it has been tripped or triggered. The primary purpose of a PTC Resettable Fuse is to protect electronic equipment from potential overload and short-circuit years. Unlike regular fuses, which require replacing after use, a PTC Resettable Fuse can be reset and reused without the need for additional components to be replaced.

The RHEF100 is an entry-level PTC Resettable Fuse with a simple two-position lead-free design and dual function Overload and Short-Circuit protection. The RHEF100 is a truly one-stop solution for medium voltage (200A) applications such as medical and automotive equipment, power supplies, communication systems, consumer electronics, and more. The RHEF100 offers excellent safety and reliability without compromising on cost.

The working principle of the RHEF100 is simple but effective. When an overcurrent or short-circuit situation is detected, the RHEF100 will trip and open the circuit. This will ensure that the electronic system is not damaged or subjected to more serious damage. However, the RHEF100 is equipped with a built-in reset feature, allowing it to reset itself after the trigger has been detected, and restart the system.

The RHEF100 provides two different kinds of protection that can be used depending on the application. The Overload Protection Mode monitors the system\'s current and if the current exceeds the preset threshold, it will trigger a protection mechanism to protect the system from damages. The Short-Circuit Protection Mode monitors chnye circuit conditions and trips the RHEF100 if there is an excessive voltage/current dip.

The RHEF100 is also equipped with an auto-calibration mechanism that allows it to adjust the input current range, making it suitable for different applications. This auto-calibration helps the RHEF100 to better detect short-circuit conditions, allowing it to be used in a variety of electrical installations with confidence. It also helps to reduce the frequency of false triggers, making sure that the fuse only trips when it needs to.

Lastly, the RHEF100 has a low profile and is easy to mount. Its small footprint can be implemented even in the most difficult installation spaces, making it a great solution for any application. Together, all these features make the RHEF100 an ideal choice for protecting medium voltage applications.

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