3AP 6

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

A fuse is an electrical device used to protect circuit components, wiring, and apparatus from destructive overloads such as a short circuit or open circuit. Fuses can be divided into three main types, depending on the type of protection they provide. Type A Fuses are available with two resistances, a short-circuit (SCC) resistance of 0.007 sqm per conductor, and an open-circuit (OCC) resistance of 0.005 sqm per conductor.

Type B Fuses operate at lower currents than Type A Fuses, but the application range is wider. Type B Fuses are designed to offer protection from short-circuit and open-circuit faults, as well as from reverse current surges.

Type C Fuses feature a low-voltage and higher-current tolerance than the other two types, and are suitable for use with equipment which operates at a range of voltages. These fuses are best suited to applications which require high current and wide voltage ranges.

All three types of fuses are commonly installed in automobiles, industrial machinery, and home electronics. The application and type of the fuse depend on the requirements of the circuit and load to be protected.

Fuses feature three elements in their basic design. The first element is the fuse element, which is the heart of the device. The fuse element can be of two types: a strip fuse wire or a fuse element constructed of ceramic materials. The fuse element is usually connected to the fuse link, which is made of wire or braided metal. The third element is the fuse holder, which is designed to hold the fuse element, the fuse link, and the fuse-to-load wires securely.

The working principle of a fuse is quite simple. When a fault occurs in the circuit, the temperature of the element increases. The fuse element then melts, and the current flow is interrupted. This process is known as fusing, and prevents any further damage to the system by interrupting the current. If a shock occurs, the fuse element melts, thus limiting the damage to the system.

Fuses come in many types and sizes, so it is important to select the right type of fuse for each application. Other factors such as the environmental conditions in which the fuse will operate, and the type of load which the fuse will protect, should also be taken into consideration when selecting the appropriate fuse.

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