JJN-25L

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JJN-25L is an electrical specialty fuse designed to protect electrical circuits and their devices in electronic devices from damage due to current overload or short circuit. It is a time delay fuses, which features a small size and energy-saving characteristics.

The JJN-25L has a wide range of applications in commercial, industrial, automotive and electronic products. It is mainly used for protecting power supply equipment, electronic controllers, various motors, electronics load and other circuits. It can also be used in small consumer power transformers, such as television sets, radio sets, electric console systems and other electronic appliances. It has a strong resistance to low temperature and humidity, and has a wide range of working temperature.

The JJN-25L follows a dual-function operating principle that continuously monitors both current and time. The core component of this fuse is a bimetal strip. When a current passes through the bimetal, it causes the strip to bend and form a contact bridge between two electrodes. This contact bridge triggers the electric signal that operates the relay switch, which in turn operates the main time-delay contacts. When the current exceeds the rated value, the bimetal strip will break the contact bridge, and the relay switch is off. This will trip the fuse and limit the flow of current.

The JJN-25L fuse also has a self-protection system. When the internal temperature of the fuse reaches a certain point, the temperature switch will trigger a self-reset circuit breaker automatically, which will shut off the current supply and reset the circuit. This will prevent any future currents to flow through the circuit.

The JJN-25L fuse is an ideal protection device for safety and reliable operation of electronic products. It is small in size and can provide excellent overload and short circuit protection. It is suitable for a wide range of applications, and its energy-saving characteristic makes it even more practical. It is also easy to install and use, and has a long service life, making it an ideal protection device for many applications.

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