30R400UF

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PTC Resettable Fuses are a special type of fuses that are able to reset their tripping threshold after having blown. This resetting ability makes them perfect for applications in which a fuse needs to be repeatedly tripped and reset quickly and efficiently. The 30R400UF is a particular type of PTC Resettable Fuse with specific properties making it a good choice for a variety of different industrial and consumer applications. This article will discuss the application field and working principle of the 30R400UF PTC Resettable Fuse.

Application Field

The 30R400UF PTC Resettable Fuse is a general-purpose fuse that is suitable for most applications in which a fuse needs to be repetitively tripped and reset. It is typically used in consumer applications such as motor protection, automatic reset circuit breakers, portable device protection circuits, and more. The 30R400UF is also suitable for industrial applications that involve robotics, motor protection of industrial machines, power converters, and power supplies.

Additionally, the 30R400UF is well-suited for repeated on/off cycling of equipment, particularly when such cycling needs to occur quickly and without failure or loss of power. As such, the 30R400UF is commonly used in applications such as data centers, telecom networks, motor and AC control, and UPS systems.

Working Principle

The higher the current that passes through the 30R400UF fuse, the higher its trip point, and the faster the fuse will blow. This is referred to as a “positive temperature coefficient” fusing characteristic. This behavior is what makes the 30R400UF a resettable fuse: after tripping, the temperature and resistance of the fuse return to their original states and the fuse can be reset and reused. This makes the 30R400UF a perfect choice for applications in which a fuse needs to be repeatedly tripped and reset quickly and efficiently.

The 30R400UF also features high current-carrying capacity and an voltage operating range of 24 to 400V (AC/DC). This makes it a perfectly safe and efficient choice for applications in both the industrial and consumer markets.

Conclusion

The 30R400UF PTC Resettable Fuse is a highly versatile and reliable choice for a variety of applications including motor protection, automatic reset circuit breakers, portable device protection circuits, robotics, motor protection of industrial machines, power converters, and power supplies. The positive temperature coefficient characteristic of the 30R400UF allows it to reset its tripping threshold after having blown, making it perfectly suited for applications in which a fuse needs to be repeatedreset quickly and efficiently. Finally, the 30R400UF’s high current-carrying capacity and wide voltage operating range of 24 to 400V (AC/DC) make it a safe and efficient choice for industrial and consumer applications alike.

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