170L7290

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Electric Specialty Fuses

An electric fuse is a device designed to protect electrical circuits and provide an effective, cost-efficient solution in the event of an overload. One of the most commonly used fuses is the 170L7290, a specialty fuse designed specifically for low-voltage applications. This article will look at its application field and working principle.

Application field of the 170L7290

The 170L7290 fuse is designed for application in low-voltage electrical circuits. This type of fuse is often used in power supplies, sensor circuits, and other circuits found in automobiles, robotics, medical, and industrial settings. Additionally, it is often used for protection of primary and secondary conductor transition, and it is suitable for use with Class B Type 2 fuses.

The 170L7290 meets UL Standard 248-14 and is compliant with RoHS, CE, and IEC standards. It has a standing temperature of -40°F to +185°F (-40°C to +85°C), and an interrupt rating of 1000A at 125VAC and 200A at 32VDC. The fuse comes in a 10-pack package and features a UL guide XD2f, UL classification JFHR-1b, and is RoHS and TRC-compliant.

Working Principle of the Fuse

The working principle of the fuse is simple. It is designed to break an electrical circuit when the current exceeds a specific level. This helps to reduce the risk of a fire or other damage caused by an overload. The fuse features a metal film element that is connected in series with the circuit. When the current in the circuit rises to a specific level, the element will heat up, causing it to expand and break the circuit.

The 170L7290 is equipped with an accurate thermal element that will open quickly to protect the circuit against overloads, but will not open under normal operating conditions. Additionally, the fuse will reset itself after the overload is gone, allowing the circuit to continue operating without having to be replaced.

The main advantage of using the 170L7290 is that it is cost-effective and reliable. It is designed to be easy to install and requires no additional wiring or connections. Furthermore, its small size and light weight make it suitable for applications in tight spaces. It is also very durable and can withstand the shock and vibration of today’s high-performance vehicles.

Conclusion

The 170L7290 is a specialty fuse designed specifically for low-voltage applications. It is UL-approved, RoHS, CE, and IEC compliant, and is designed to protect against overloads and short-circuits. Its small size and light weight make it suitable for use in tight spaces, and it is designed to be easy to install and require no additional wiring or connections. Furthermore, it is cost-effective and reliable, making it a popular choice for applications in automobiles, robotics, medical, and industrial settings.

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