Altech Neozed Fuses are more compact than the Diazed Fuses. Three sizes are available with a current range of 16A to 100A with two operating classes (slow blow and semiconductor protection). The fuse tips have different diameters, depending on their current rating. The diameter of the tip matches the diameter of the hole in the adapter ring to ensure no fuse with a higher rating than intended for the circuit can be installed, preventing damage to the circuit or equipment being protected. Adapter rings and fuses are also color-coded to avoid mismatching. When a Neozed fuse has blown, the color-coded indicator on the head of the fuse will pop out, giving a visual indication through a glass window in the screw cap. The fuse is held in place by the screw cap, which is screwed into the fuse base. Neozed fuse bases are available in one- and three-pole designs. Fuse bases can be panel mounted or snapped onto a standard 35mm DIN rail.