SPP-4H100

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SPP-4H100 is an electrical fuse, which is classified as a special type of fuse and is designed for protecting power supplies and DC motors against overloads and short circuits. This type of fuse is commonly used for protecting higher-capacity circuits, such as high-voltage and high-amperage installations.

The SPP-4H100 is composed of a copper case with trimmable nickel-chromium alloy elements that detect and interrupt current flow at a pre-set current value, protecting the circuit it’s connected to against damage from short-circuits or overloads.

The main application area of the SPP-4H100 is the protection of high voltage and high amperage circuits, making them ideal for applications such as electric vehicles, solar power plants, wind farms, inverters, telecom infrastructure, uninterruptible power supplies and industrial equipment.

The working principle of the SPP-4H100 is based on the melting of the current-sensing element, which is a nickel-chromium alloy, when current runs above its rated current. When a certain pre-set current is reached, the nickel-chromium alloy begins to heat rapidly until it melts and forms an open circuit, isolating the load from power supply.

This type of fuse has the advantages of being able to detect and interrupt current flow quickly and accurately in response to an overload or short circuit. This feature helps protect the connected equipment from damage and could potentially prevent costly repairs or replacement should it fail.

The SPP-4H100 has a wide range of application areas due to its ability to protect high voltage and high amperage circuits. Additionally, it is also suitable for protection in places with hazardous locations due to its reliable and safe operation.

In conclusion, SPP-4H100 is an electrical fuse that is designed for protection of high voltage and high amperage circuits. Its working principle is based on the melting of the current-sensing element, which is a nickel-chromium alloy, when current runs above its rated current, interrupting the current flow and protecting the connected equipment from damage. This type of fuse is widely used in many application fields due to its reliability and safety.

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