0697H1000-05

0697H1000-05 application field and working principle

Fuses are one of the most important components of modern electrical installations. They protect both electrical components and people from damage due to overcurrents. They can come in many different shapes and sizes, but the 0697H1000-05 is a commonly used type that is used in many applications.

Application field

The 0697H1000-05 is a low voltage fuse rated for up to 1000 Volts AC and 500 Volts DC. It is a cylindrical with a threaded end, and typically available in 20, 30, and 40 Amp ratings. Its primary application is in the protection of residential and light commercial wiring systems, but it is also found in agricultural, automotive, and industrial applications as well.

It is often used where multiple short-circuits might occur, since it is able to remain in the operational state even after the fuse elements have been blown due to one or more short-circuits.

Working Principle

The working principle of the 0697H1000-05 is relatively straightforward. When the current flowing through the protected system exceeds the fuse\'s designed amperage rating, the heat generated by the excess current melts a special alloy within the fuse, which cuts off and breaks the circuit.

The fuse casing also contains a special pressure-sensitive material that is designed to break apart and release any pressure that may have built up due to the high current. This relieves any further damage to the electrical components and ensures their safe operation in the event of future overcurrents.

The 0697H1000-05 is often used in circuits that are subject to short-circuiting, as it is designed to reset itself after each short-circuit event. This prevents the comparatively high cost of having to replace the fuse elements after each short circuit.

Advantages and Disadvantages

One of the advantages of the 0697H1000-05 is its ability to reset itself after a short-circuit event. This makes it an ideal choice where multiple short-circuits are likely to occur.

However, the extremely low melting point of the alloy used can also make the fuse unreliable in the event of a prolonged overcurrent due to its inability to hold off the current for a longer period of time. This can result in further damage to the electrical components.

Another disadvantage is that the fuse cannot be easily visually inspected for any signs of damage. This means that it is often difficult to determine whether the fuse has been damaged or not.

Conclusion

The 0697H1000-05 fuse is a fairly common type used in many applications, most notably protection against short-circuiting. Its advantages include its self-resetting capability and it is able to remain functional even after the fuse elements have been blown. However, its inability to hold off current for prolonged periods and the difficulty of inspecting it for damage make it inappropriate for certain applications.