Patent ID: 11955301
Assignee: TDK ELECTRONICS AG
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. A switching device comprising:
at least one stationary contact;
a movable contact;
an armature;
a first permanent magnet;
a second permanent magnet; and
a magnetic switch,
wherein the movable contact is movable by the armature,
wherein the first permanent magnet is attached to the armature,
wherein the second permanent magnet is arranged in a fixed position relative to the magnetic switch,
wherein the first permanent magnet is a ring magnet arranged inside a gas-tight region,
wherein the armature comprises a shaft, and
wherein the first permanent magnet, the magnetic switch and the second permanent magnet are symmetrically arranged to a longitudinal length of the shaft.