The screw fuse is convenient to replace the melt, and the work is safe and reliable

Spiral fuse is composed of a porcelain cap, a fuse tube, a porcelain sleeve, an upper terminal block, a lower terminal block and a ceramic base.

The fuse tube is equipped with fuse and quartz sand and a fuse indicator with a small red dot, the indicator indicates whether the fuse is blown. Quartz is used to enhance arc extinguishing performance.

The function of the screw fuse is the same as that of the plug-in fuse, and it is used for overload and short circuit protection of electrical equipment. High breaking capacity, compact structure, small size, small installation area, convenient melt replacement, safe and reliable work.

It is widely used in control boxes, power distribution panels, machine tool equipment and occasions with large vibration, as a short-circuit protection device in circuits with AC rated voltage of 500V and rated current of 200A and below.