Patent ID: 11942295
Assignee: TYCO ELECTRONICS (SHENZHEN) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A relay, comprising:
a housing including a plurality of air-cooling fins formed on an outer wall thereof;
an electric contact system in the housing, the electric contact system including a static contact with a static contact portion and a movable contact with a movable contact portion;
an electromagnetic system in the housing, the electromagnetic system is configured to drive the movable contact to move between a closed position in which the movable contact is in electrical contact with the static contact and an opened position in which the movable contact is separated from the static contact; and
a magnetic blowing arc-extinguish device including a permanent magnet statically provided near the static contact and configured to lengthen an electric arc between the static contact portion and the movable contact portion by an electromagnetic force to extinguish the electric arc.