MF-RX135/72-0

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PTC Resettable Fuses are a broad category of electrical components that are designed to provide protection against fire, electrical, and electromagnetic threats, as well as other hazards like water or dust damage. This type of device is typically used to protect electrical circuits against over-current, over-voltage, and over-temperature conditions. The MF-RX135/72-0 application field and working principle is a particular type of PTC resettable fuse that is designed for a very specific range of voltages and current ratings. In this article, we will discuss the purpose and application of this type of device, as well as its working principle.

Purpose and Application: The MF-RX135/72-0 was designed to provide over-current, over-voltage, and over-temperature protection for applications with voltages up to 135 volts and circuit currents ranging from 0.25 to 0.72 amps. This makes it suitable for a wide range of applications in industrial, automotive, telecommunications, medical, and consumer electronics. The device is UL approved and can be used in a wide range of electrical components, such as circuit breakers, relays, surge protectors, and switches. In addition, the device is rated to self-reset after a temperature-induced thermal fuse has opened, making it a reliable and resilient option for many applications.

Working Principle: The working principle behind the MF-RX135/72-0 is fairly simple. When the device is subjected to an over-current, over-voltage, or over-temperature condition, the polymeric material within the device heats up and begins to expand and melt. This expansion forces a switch to open, thereby interrupting the flow of current and preventing further damage. The thermal fuse also triggers an internal mechanism that allows the device to automatically reset to its original state after the over-heating condition has been resolved. This ensures that the device can be reused without having to manually reset it after each incident.

Conclusion: The MF-RX135/72-0 is an effective and reliable PTC resettable fuse that is suitable for a wide variety of applications. The device is designed to provide protection from over-current, over-voltage, and over-temperature conditions, while also being able to self-reset after each incident. As such, it is ideal for many industrial, automotive, telecommunications, medical, and consumer electronics applications, providing a highly resilient and reliable method of protection from electric hazards.

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