1. Parallel-groove connector
Made of cast brass; to facilitate connection, two conductors of different sizes are included in a single connector. Other styles of connectors are available as well.
2. High-strength insulator
With higher insulation characteristics than those stated in the ANSI standards.
Made of silver-plated high-strength cast bronze; surfaces around the trunnion are pressed on the surface of the hinge to keep the fuse tube in alignment during closing.
4. Toggle joint
Ensure reliable release after interruption.
5. Trunnion pocket
Fix the fuse tube on the hinge during closing.
6. Fuse tube
Special UV-resistant coating ensures long service life; models with disconnect blade are also available.
7. One-piece channel
Made of galvanized steel which is also used to make inserts, hangers as well as structural bolts and nuts
8. Upper contacts
Silver-to-silver; stainless steel spring provides high contact pressure.
9. Attachment hooks
Guide fuse tube during closing.
10. Lower contacts
Silver-to-silver; provide a pair of current paths; not connected to hinge pivot.
11. Sturdy ferrules
Made of cast copper; pinned to top and bottom of fuse tube for permanent connection.
Give quick terminal separation; used together with the toggle joint, make the twisted cable pop up fast; reduce the force transmitted to the fuse link during closing.
Power Transmission Line Fuses | High Voltage Fusegear | Power System Protection Parts