Study On The Size Deviation Between The Fuse Tube And The Contact Of The Drop-out Fuse

The size of some new switch fuses does not match the size of the drop out fuse price fixed contacts, and they are easy to loosen. Once external force, vibration or strong winds occur during drop out fuse set operation, drop out fuse unit will malfunction and fall, which not only reduces the power sales of drop out type fuse, but also makes it difficult for dropout fuse of transformer to ensure the power supply reliability index.