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Fuses

Fuses are an important form of electrical protection. They are designed to protect electrical circuits and components from damage or fire due to an overcurrent. One such form of fuse is the 0697H2500-01 fuse.

0697H2500-01 Fuse Application Field and Working Principle

The 0697H2500-01 fuse is a non-current limiting medium-voltage class H fuse used primarily in industrial and commercial applications. It is designed to protect three-phase line-to-neutral circuits up to 3800V AC and comes in many current ratings, ranging from 200 to 1000 amps. It can also be used in three-phase applications, protecting up to 4160 V AC.

This particular fuse is composed of a metallic coil-over-tube element, a wire grid, and two endcaps made of stainless steel. The metallic element acts as the main element of the fuse by carrying the main current. The wire grid is a mesh of wires connected to the element and acts as the current limiter. Finally, the endcaps are used to connect the fuse body to the main circuit.

When the current running through the fuse exceeds its rated current , the fuse works to limit or reduce the amount of current passing through it. This is done by the wire grid heating up due to the overload of current. As the temperature of the wire grid rises, its resistance increases, thereby reducing the amount of current passing through the circuit. This process helps to ensure that the circuit is not damaged due to an overcurrent.

The 0697H2500-01 fuse also has other features such as fast-acting arc extinction capability. This feature ensures that when the current overload exceeds the fuse rating, the arcing between the contacts of the fuse is suppressed or may even be extinguished.

This fuse is used in a variety of applications, ranging from industrial control panels and process equipment to HVAC systems and switching applications. It is also used in applications such as high voltage transformers and cables, and electric motors. Furthermore, it is ideal for applications requiring current limiting fuses and can be used where supplemental grounding is desired.

The 0697H2500-01 fuse is a reliable solution for applications where medium-voltage class H fuses are needed. It is designed to provide overcurrent protection, ensuring the safety of the electrical circuit. The fast-acting arc extinction capability of the fuse makes it even more reliable, as it is able to suppress the arcing between the contacts of the fuse when an overload occurs.

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