S500-6.3-R

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Fuses play an important role in many circuits, providing over-current protection and ensuring safe operation of the equipment. The S500-6.3-R is an especially popular type of fuse, widely used to protect AC/DC circuits in a variety of applications. This article will discuss the application field and working principle of the S500-6.3-R.

Application Field

The S500-6.3-R is a fast-acting fuse suitable for a wide range of AC/DC circuits. It can be used to protect transformers, switches, contactors, motors, relays and other similar equipment from current overload. It is not suitable for protecting arc welding equipment, as it has a relatively short melting time. The S500-6.3-R has a rated voltage of 6.3 V and a rated current of 500 mA, making it perfect for low voltage, low current applications.

The S500-6.3-R can be used to protect audio systems, battery chargers, and other consumer electronics. It is particularly useful in home-hobbyist or do-it-yourself projects, such as tinkering with RC cars, robots, and other devices. This fuse is also popular in automotive applications, especially for controlling the power flow from vehicle batteries and other sources.

Working Principle

The S500-6.3-R is a glass-encapsulated, ceramic-bodied fuse with a metal insert in the center. This metal insert is heated to melt as soon as the current rises above 500 mA. This triggers the fuse’s electrical contacts to open, interrupting the electrical circuit and providing long-lasting protection. When the current drops below 500 mA, the fuse automatically resets.

The S500-6.3-R has two short pieces of wire connected between the internal contacts. These wires act as a resistor, limiting the current flow and preventing the fuse from blowing unnecessarily. With an operating temperature range of -10°C to +100°C, the S500-6.3-R can handle both cold and hot climates.

Conclusion

The S500-6.3-R is a popular and versatile fuse, suitable for a wide range of AC/DC circuits. It is very effective at protecting components from over-current and can reset itself in the event of a fault. With its rated voltage of 6.3 V and rated current of 500 mA, the S500-6.3-R is a safe and reliable choice, perfect for home projects and low voltage applications.

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