3JS 7-R

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fuses are popular electronic devices used to protect against overloads and short circuits. These devices can be used in many different areas, including the 3JS 7-R application field. A brief overview of the working principles of this type of fuse is provided below.

Fuse and Its Operation

Simply put, a fuse is an electrical device designed to protect circuits and equipment from excess voltage and currents by breaking the circuit when an abnormal current is detected. Fuses come in different shapes, sizes, and resistance levels depending on the intended application. The 3JS 7-R fuses have a film lid that’s full-blade or half-blade in design, allowing users to place current-limiting fuses in very special places.

The operation of a 3JS 7-R fuse is quite simple. When the current exceeds the preset value, the fuse melts, breaking the circuit, and stopping the flow of current. In order to reset the circuit, a new fuse must be installed.

Technical Specifications

The 3JS 7-R fuses are rated for AC 300V to AC 600V. Their rated current is between 10 Amp and 50 Amp, while their rated breaking current is between 10 Amp and 60 Amp. The maximum disconnection time for this type of fuse is 0.003s and 0.02s depending on the current. The 3JS 7-R fuses come with a temperature rating of -45 to +85 °C.

Benefits of the Fuse

One of the major benefits of the 3JS 7-R fuse is its rapid response. The fuses break the circuit within 0.003s, thus stopping the flow of dangerous electrical current before any damage can be done. In addition to the fast switching times, these fuses are designed to ensure that they do not melt once exceeding their rated current.

The small size of the 3JS 7-R fuse has also made it popular in applications where space is limited. Since the fuse does not require a large enclosure, it can easily be installed in limited spaces. The fuse is also environmentally friendly due to the fact that it does not produce any harmful emissions or require any maintenance.

Conclusion

The 3JS 7-R fuse is an effective solution for protecting electrical circuits and devices from overloads and short circuits. This device is fast-acting and can easily fit into tight spaces. It’s also environmentally friendly and requires no maintenance. Therefore, if you need a reliable fuse for your applications, the 3JS 7-R is an ideal option.

The specific data is subject to PDF, and the above content is for reference