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8HLE-20E Application Field and Working Principle

Fuses are safety devices used to protect electrical and electronic circuits from overload or short-circuiting, and are part of most electrical appliances. They are fundamental to the functioning of such devices as they offer protection from electrical accidents and prevent electrical damage. As such, fuses come in various sizes and models, with the 8HLE-20E being a type of fuse specifically designed for household applications and that is easy to install.

The 8HLE-20E is a high-temperature fuse with a maximum operating temperature of up to 240°C. It is a miniaturised fuse that is self-resetting, meaning that it can reset itself after an overload or short-circuit has occurred, and does not need to be replaced. It is available in a variety of voltage and current ratings and is generally accepted as suitable for use in any household appliance.

In terms of its working principle, the 8HLE-20E is essentially a thermal-magnetic device. When an overload or short-circuit occurs, the temperature of the fuse increases due to the heating effect that results from the extra current passing through it. The excess current then causes the magnetic armature to open, disconnecting the circuit and stopping any further current from flowing through it. Once the current passes back within safe levels, the fuse resets itself.

As far as application fields are concerned, the 8HLE-20E is most suitable for application in household appliances, such as cookers, refrigerators and washing machines. It can also be used to provide safe levels of power for electrical gadgets and for general board wiring. The 8HLE-20E has even been designed specifically for use in lighting circuits in bathrooms, kitchens and bedrooms as it is flame retardant and self-resetting.

In conclusion, the 8HLE-20E is a high-temperature self-resetting fuse with numerous practical applications. Its use in the household makes it an ideal choice for the protection of electrical circuits and is certain to enhance the safety of any premises.

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