Electro-mechanical” redirects here. For the use of electromechanics in arcade games, see Electro-mechanical game.

A relay is a common electro-mechanical device.

• Light Current Systems
• Fire Alarm Systems
• Burglar Alarm System
• Access Control System
• Closed Circuit TV System (CCTV)
• Car Parking System
• Gate Barrier System
• Time Attendance System
• Telephone System
• Data Communication Network System
• Audio/video Intercom system
• SMATV system
• BMS Building Management System
• Central Clock System
• Queuing System
• Price Reader
• POS Point of Sale System
• Nurse Call System