5AHLE-450E

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Fuses are an important device for maintaining electrical safety in any system in which electricity is used. The 5AHLE-450E fuse has a special application field and working principle that should be understood before selecting this device for an application.

The 5AHLE-450E fuse is a self-maintaining, non-resettable overload protection device designed for circuits that contain high resistance and inductive loads, such as motor circuits. The fuse is rated for a maximum current of 450 amps AC and 500 volts DC. It is designed to open or melt when the circuit it is protecting exceeds this current rating.

Unlike other fuses, the 5AHLE-450E does not use a separate current-sensing coil to detect the presence of excessive current. Instead, the fuse has a spring-loaded bi-metallic strip that acts as the sensing element. This strip is constructed of two strips of different metals, such as copper and iron, that expand or contract in relation to the temperature in the circuit. As the current increases, so does the temperature, and this causes the bi-metallic strip to expand, pushing the contact open and interrupting the flow of the current.

When the temperature decreases, the spring pushes the bi-metallic strip back together, allowing the current to flow through the fuse again. The 5AHLE-450E fuse is designed so that it will open or melt if the current rating of 450 amps is exceeded, regardless of how long the excess current flows. This makes it ideal for applications where sudden surges of current could potentially damage the system or equipment being protected.

The 5AHLE-450E fuse is also highly reliable and will operate for a long period of time without the need for maintenance or resetting. This makes it suitable for systems where resetting the fuse would be impractical or impossible. The 5AHLE-450E can be used in circuits that contain both resistive and inductive loads, and is specifically designed to protect motor circuits from over-current.

The 5AHLE-450E fuse is a specialized device designed for high resistance and inductive load circuits, where it can provide reliable overload protection. The fuse is highly reliable and does not require maintenance or resetting, which makes it ideal for applications where these functions would be difficult to perform. It is also capable of withstanding current surges without the need for resetting, making it suitable for motor circuit protection.

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