30R700UMR Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PTC Resettable Fuses, also known as Polymeric Positive Temperature Coefficient Resettable Fuses, are generally used as overcurrent protection devices in a variety of industries. In recent years, devices such as 30R700UMR have become increasingly popular due to their ability to protect products from overcurrent, as well as their relatively low cost compared to other similar devices. In this article, we will delve into the application field and working principle of 30R700UMR PTC Resettable Fuses.

30R700UMR PTC Resettable Fuses, typically housed in an epoxy coated ABS enclosure, are designed to prevent damage to equipment and circuits due to undesirable high-current faults or short circuits. As such, they have found practical application in a wide range of markets, from automotive electronics to consumer electronics and power supplies. With a 700VAC/1200VDC voltage rating, the 30R700UMR is also suitable for applications in renewable energies, lighting, heating, and ventilation.

In terms of working principle, 30R700UMR fuses utilize the unique properties of polymeric material for overcurrent protection. When a short-circuit current passes through the device, the polymeric material generates heat which then causes a significant increase in resistance. This rapid increase in resistance restricts the flow of current, thus helping to prevent further damage to the equipment. Once the short-circuit is removed, the device will then cool and automatically reset to its low-resistance state.

In addition, 30R700UMR PTC Resettable Fuses feature high break capacity compared to traditional fuses, and are also capable of breaking high short-circuit currents of up to 10kA. Furthermore, the fuses are self-resetting and require no special attention after being triggered. This makes them highly practical and efficient in protecting circuits from overcurrent limitations.

Overall, 30R700UMR PTC Resettable Fuses are extremely effective and dependable devices when it comes to overcurrent protection in both commercial and industrial applications. By utilizing the unique properties of polymeric materials, the fuses help to efficiently break the short-circuit current, thus preventing any further damage to the equipment or circuits. With widespread use in a variety of industries, PTC Resettable Fuses continue to remain popular in the world of circuit protection.

The specific data is subject to PDF, and the above content is for reference