DFJ-80

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DFJ-80 is an electrical specialty fuse that is designed to provide reliable protection against excessive currents, both in air and vacuum. It is most commonly used in power systems, communication systems, low-voltage electrical systems, and control systems. The fuse is designed to protect the equipment from severe overcurrents and short circuits by opening the circuit at a predetermined current level, and preventing further damage from occurring.

The DFJ-80 fuse has a melting time-current characteristics which gives it a quick response time to a fault event, making it well suited for applications that require rapid protection. It is constructed using a special alloy of copper and tin which is able to withstand temperatures up to 1300°F (700°C). The operating temperature of the DFJ-80 fuse is -55°C to 85°C.

The DFJ-80 fuse has a variety of application fields, including transformers and switching gear, power supplies, industrial computers, motors, telecommunications equipment, control circuits, and other equipment as well as in various test instruments and laboratory equipment. It is also used in a wide variety of consumer electronics and home appliances.

The operation principle of the DFJ-80 fuse is based upon the vapor pressure of the tin and copper alloy it is formed with. The resistance to current flow is due to the heated vapor pressure that forms a weak insulating bridge called a vapor lock between the contacts. When the current flow exceeds the rated current limit, the vapor pressure rises until the vapor lock ruptures and a gap is formed. This gap causes the fuse to blow, thus opening the circuit.

The DFJ-80 fuse is designed to open quickly, thus limiting damage to the electrical system and its components. It is also designed to safely dissipate any remaining current, thus protecting against any arcs or sparks. The DFJ-80 is a robust fuse that is capable of taking a minor overcurrent without blowing.

The DFJ-80 fuse is a reliable and efficient way to provide protection for electrical systems, no matter the application field or situation. It is an easy to install device that can be quickly implemented and provide quick, reliable protection.

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