Novel enclosed fuse

The utility model provides a novel enclosed fuse relates to fuse technical field. Wherein, this kind of fuse contains: the pottery cover in built -in first appearance chamber, the inlet wire end thatthe configuration was sheathe in at this pottery, the leading -out terminal that the configuration was sheathe in at this pottery to and be located the fusible core mechanism in first appearance chamber. Wherein, fusible core mechanism has fuse, fusible core pipe, a contact assembly, the 2nd contact assembly, and the fuse passes the fusible core pipe, and the both ends of fuse are connected with inlet wire end and leading -out terminal respectively. A contact assembly has last contact and touches finger, elastic component and guide on, to be touched on, and indicates to be lamella formula structure, touch on should to indicate to have a plurality of lamella leaves, and a plurality of lamella leaf ends is gradually to the internal contraction. The guide lies in the centre of a plurality oflamella leaves, and elasti