PTGL04AS220K4B51B0

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PTC Resettable Fuses are active components that provide protection against electrical system current overloads. They help in maintaining the safety of a system\'s electrical system and its components, while still allowing the current flow in the right amounts.PTGL04AS220K4B51B0 is a specific example of PTC Resettable Fuses, and it has two main application fields: welding equipment and medical equipment. Such fuses have components such as a spring, fuse wire, high heat bearing elements, movable electrodes, a steel case and a stationary electrode. In welding equipment, the use of PTGL04AS220K4B51B0 fuses can aid in protecting against inverter welding machine failure. The high current and voltage in welding equipment can cause accidents, such as a short circuit or electric shock. By using a PTC Resettable Fuse such as PTGL04AS220K4B51B0, a short circuit can be detected quickly and the fuse will cut off the current quickly, protecting the work site from danger. In medical equipment, the PTGL04AS220K4B51B0 fuse can provide protection against sudden spikes in current or voltage, which can damage delicate components. It also acts to prevent fire hazards and unwanted currents from entering the device, keeping the system safe. The working principle of PTGL04AS220K4B51B0 fuse is based on the physical and electrical properties of the components. When current goes through the device, the magnetized steel plate is rotated and touches the movable electrode, generating a magnetic field. This magnetic field produces a large amount of heat, which creates a temperature rise and causes the metal coil inside the device to break. This will cause the conductive path to break, which will in turn open the circuit and protect the device from current overload. The temperature rise also causes the metal coil to contract, which pushes the movable electrode away from the steel plate, breaking the contact and thus stopping the conductive path. This helps to reset the device to its original state automatically. The PTGL04AS220K4B51B0 fuse is useful in both welding equipment and medical equipment. It serves to protect the devices and people from current overloads and ensure that the system keeps running safely. The fuse works by creating a conductive path when it is overloaded, and then automatically resetting itself to its original state when the temperature rises, protecting the device from any accidents.

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