RUEF160-AP

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PTC Resettable Fuses

A polyfuse, or PTC (Positive Temperature Resistor) resettable fuse, is a type of fuse  which is designed to reset after a fault current has been interrupted. These fuses, also known as “self-healing” fuses, are typically part of electronic circuits in applications where high current loads may be encountered. This makes them a popular choice in the appliance industry, automotive systems, and other situations where over-current protection is needed.

RUEF160-AP Application Field and Working Principle

The RUEF160-AP is a 160A rated resettable fuse designed to be used in applications where high current loads are encountered. The fuse consists of a polymer element sandwiched between two terminals which are then encased in a protective housing. When the RUEF160-AP is exposed to a fault current, it will heat rapidly due to the resistive characteristics of the polymer element. This heating eventually reduces the cross-sectional area of the element, resulting in an increase in the resistance. The increased resistance results in a significant reduction in the current passing through the fuse, thus providing over-current protection to downstream components. When the fault current is stopped, the polymer element cools and the cross-sectional area of the element increases, thus reducing the resistance and allowing current to pass through the fuse again.

The RUEF160-AP is designed for use in a wide range of applications including heavy machinery, automotive, and industrial electronics. The fuse is rated for 160A and is available in both standard and low-break time versions. It is also capable of withstanding a broad temperature range, from -40°C to +125°C. This wide operating temperature range makes the RUEF160-AP suitable for use in a wide variety of locations.

The RUEF160-AP is a cost-effective and easy-to-use solution for applications where high current loads may be encountered. The fuse is able to detect fault current quickly and disconnect it before it causes any damage to downstream components. The fuse is also able to reset itself after the fault current has been eliminated. This makes the RUEF160-AP a popular choice for many automotive, heavy machinery, and industrial applications.

In conclusion, the RUEF160-AP is a reliable and cost-effective resettable fuse designed for applications where high current loads may be encountered. The fuse is capable of detecting fault currents quickly and disconnecting them before any damage can be done. Furthermore, the fuse is able to reset itself after the fault current has been eliminated. This makes the RUEF160-AP an attractive option for automotive, heavy machinery, and industrial applications.

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