Contact piece for vacuum switch chamber has coil ring with upward and downward projections, with contact piece plate placed on upward projection

摘要

The contact piece is attached to a contact stem. A carrier plate (11) is attached to the end surface of the carrier stem (10). A coil ring (12) is placed on the carrier plate and has one downwardly facing projection in its circumference region and one upwardly facing projection. A contact piece plate (13) is placed on the second projection. A central conductor may be provided in the coil ring.