A fuse is also called a current fuse, and the IEC127 standard defines it as a “fusible link”. It is mainly used for overload protection. If the fuse is correctly placed in the circuit, the fuse will automatically cut off the current when the current abnormally rises to a certain height and heat, which protects the safe operation of the circuit.
Fuses can protect electronic and electrical equipment from damage caused by overcurrent and overheating, and avoid serious injuries caused by internal faults of electronic equipment.
Low zero power resistance: The self-resetting fuse has low impedance, low power loss during normal operation, and low surface temperature.
Over-current protection speed is fast: Due to its material characteristics, the self-resetting fuse responds much faster than other over-current protection devices.
Self-locking operation: The self-resetting fuse is in the over-current protection state and is locked in the high-resistance state with a very small current. The low-resistance state will only be restored after the power is turned off or the over-current disappears.
Automatic reset: The resettable fuse resets itself after overcurrent protection (troubleshooting), no need to replace it.
High current resistance: The resettable fuse has excellent high current resistance, and some specifications can withstand 100A current shock.
Fuses are used in various electronic and electrical equipment, and in industrial and household electrical equipment. They play an overheating and overcurrent protection role, such as: hair dryers, irons, rice cookers, electric stoves, transformers, motors, etc.
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