In an electromechanical relay, the power supply energizes the relay coil to create a magnetic field, which attracts a ferrous plate mounted on the armature; when the current stops, the armature is released into its resting position by spring action.

Authors

• Person: Not available Organization: Mide
  How Electronic Components Work

Sources

• How Electronic Components Work blog.mide.com Mide via serper

Referenced by nodes (3)

• magnetic field concept
• power supply concept
• spring concept