NH4 is a European DIN blade type fuse link that is specifically designed for industrial and general purpose cable and line protection. These fuse links are used with slotted tag DIN bases. They are manufactured as Cd/Pb free structures with conducting grip lugs. The NH4 fuse links comply with standards such as IEC 60269-2, AS60269, DIN43620, and VDE0636/21. They have a DIN size of '4' and a breaking capacity of 120 kA. The rated current is 800 A and the rated voltage is 500 VAC.