MF-RHT1300-2

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PTC Resettable Fuses are a reliable and robust safety solution for many electrical or electronic operating devices. They are designed to reduce the risk of electrical fire due to overload and short circuit while providing the safety and reliability to the user. The MF-RHT1300-2 is one of the most popular resettable fuses used in a variety of applications, including consumer electronics, motor control, automotive, and industrial safety applications. This article will discuss the application field and working principle of the MF-RHT1300-2.

Application field

The MF-RHT1300-2 is designed for two-phase power supplies (up to 400V) in applications where current-sensing PTCs are required. It incorporates a power transistor with built-in overload protection, as well as a self-resetting fuse, which make it ideal for a variety of applications. For example, it can be used to protect motors, solar panel arrays, motorized and/or automated systems, inverters, transformers, and many other applications. Its self-resettable fuse can be used to detect any over-current or overload situations and provide the user with a safe, reliable, and cost effective solution.

Working Principle

The MF-RHT1300-2 works by sensing an over-current or overload situation, such as an increased current draw from a motor or compressor. When this occurs, the self-resetting fuse activates and trips the power transistor to disconnect the load. The fuse works in a low-impedance manner, meaning that it is able to sense the over-current and trip at a lower current level (than a conventional slow-blow fuse) to provide a more reliable, effective solution. After the overload has been cleared, the self-resetting fuse will automatically reset itself and reconnect the load.

The MF-RHT1300-2 also incorporates a built-in Temperature Sensor. This sensor reacts to any overheating of the PTC itself or the surrounding components, and will trip the power transistor if the temperature exceeds a pre-determined level. This provides added safety in applications where the ambient temperature can become a factor in the load\'s performance.

Advantages and Disadvantages

The primary advantage of the MF-RHT1300-2 is its ability to provide reliable protection from sudden overloads and short circuits while providing a cost-effective solution. In addition, it is small and lightweight, and can be easily integrated into existing systems. It also provides additional safety with its built-in temperature sensor. In terms of disadvantages, the MF-RHT1300-2 may be more expensive than other PTC fuses, and may require modification of existing systems in order to integrate it.

Conclusion

PTC Resettable Fuses are a reliable and robust safety solution for many electrical or electronic operating devices. The MF-RHT1300-2 is a self-resetting fuse designed for two-phase power supplies (up to 400V) in applications where current-sensing PTCs are required. It incorporates a power transistor with built-in overload protection, as well as a self-resetting fuse, which make it ideal for a variety of applications. It works by sensing an over-current or overload situation, which triggers the self-resetting fuse to trip the power transistor and disconnect the load. The MF-RHT1300-2 also incorporates a built-in Temperature Sensor for additional safety. It provides reliable protection from sudden overloads and short circuits while providing a cost-effective solution.

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