8020.5018

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A fuse is an electrical device that is designed to stop an electrical circuit from overheating and damaging related components. The fuse works by disconnecting power to a circuit when the current passing through the circuit exceeds a predetermined amount, known as the threshold current. In doing so, the fuse dissipates the energy of the excess current, preventing damage to the system. 

In the 8020.5018 application area, there are different types of fuses that are used, including thermal fuses, current-sensitive fuses, and overload protection fuses. 

Thermal Fuses: Thermal fuses are also known as thermal cutoffs or resettable fuses. They are designed to "sense" very high temperatures and cut off power to the device when the temperature reaches its predetermined limit. Thermal fuses are often used in electrical appliances where they are designed to protect the device from overheating. The fuse is made of a metal wire that has a temperature-sensitive resistance. When the temperature reaches a certain limit, the electric current flows through the wire and causes it to heat up. The heat causes the wire to expand, breaking the circuit and cutting off the power to the device. Thermal fuses can be reset once the temperature of the device has lowered, allowing the circuit to be re-energized. 

Current-Sensitive Fuses: Current-sensitive fuses are also known as short-circuit fuses or overcurrent fuses. These types of fuses are designed to limit the amount of current passing through the circuit to protect the device from overheating and other damage. These fuses are made of a metal coil that is heated up when current passes through it. When the amount of current exceeds the predetermined limit, the coil heats up and expands, breaking the circuit and cutting off the power. The current-sensitive fuses are designed to reset once the current has dropped to acceptable levels, allowing the device to be re-energized. 

Overload Protection Fuses: Overload protection fuses are designed to protect motors or electrical devices from overloads or short circuits. They are similar to current-sensitive fuses in that they are designed to limit the amount of current flowing through the circuit. The difference is that they are designed to break the circuit before the predetermined threshold is reached. They are designed to break the circuit before the current overloads the device, protecting it from damage. These types of fuses are commonly found on motors, as they are designed to quickly shut down the motor if it experiences an overload or short circuit. 

An 8020.5018 application field is the use of fuses to protect electronic circuit from overheating or damage. Fuses are used in a wide variety of applications, including appliances, motors, and other electrical devices. The different types of fuses work together to protect the device from damage, and provide a level of safety to ensure that the device operates correctly. Fuses are a simple, inexpensive, and reliable way of protecting electronic components from damage.

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