RUEF400-2 Circuit Protection

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PTC Resettable Fuses are a type of overcurrent protection device consisting of conductors that contain a material which becomes increasingly resistive when exposed to increased current. This resistive property helps prevent current levels from exceeding rated levels thereby providing reliable long term protection against overcurrent and short circuits in electronic devices. The RUEF400-2 is one such product in this category and is used in a range of high-power applications.

The RUEF400-2 is a polymeric-based fuse with a rated current of up to 25A and a 600V rating. The product also features operating temperature ranges from -40°C to 125°C and can be easily installed on a variety of surfaces, including metal and plastic. Its unique and integrated construction design allows for an even distribution of heat and dissipation of current, thereby providing better thermal management for the fuse.

The RUEF400-2 is highly reliable and it quickly overcomes any overcurrent situations due to its fast acting properties. The device also redistributes current away from sensitive parts, which prevents damage and ensures safety. The main advantages of this product include its small size, its ability to reset itself after a current surge is completed, and its high heat resistance.

The working principle of the RUEF400-2 is that when an electrically induced current overloads the device, it quickly draws that current away from sensitive components, increasing its resistance and preventing any further damage. In normal operation, the resistance of the fuse stays in its low resistance state until it detects an overload, during which it triggers and its resistance increases. The current flows through it, further raising its temperature, until it switches off completely when it reaches its trip point. After the current surge is completed, the fuse will reset and once again allow normal current flow.

The RUEF400-2 is primarily used in a variety of high-power applications, such as industrial and automation projects where reliable circuit protection is needed. It can be used as an overcurrent protection device and as a control device for voltage applications. It can be used in all kinds of DC and AC circuits, including those commonly found in medical systems, automotive systems, LED lighting, and telecommunications.

The RUEF400-2 is also widely used in areas where smaller fuses cannot give any support and where temperature levels are high. Resettable fuses provide a better and faster protection than conventional fuses, as they are able to react faster to any overloads and short-circuit conditions. This makes them an ideal choice for applications where quick response times are needed. Furthermore, they are also more reliable protection devices because of their inability to allow high levels of leakage current.

All in all, the RUEF400-2 is an advanced polymeric-based fuse, designed for high-power applications where reliable protection is required. Its fast acting response, combined with its ability to reset itself after an overcurrent surge, makes it one of the best resettable fuses available in the market. Furthermore, its high heat resistance makes it suitable for all kinds of DC and AC circuits, ensuring a safe and reliable operation.

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