3-position switch with key, robust metal key-operated, center position ZB4BG3

Discover a wide range of buttons, switches and indicator lights for most industrial applications. Available worldwide in metal and plastic versions, the Harmony line will meet your needs in terms of strength, safety and reliability.
Harmony controls and signals increase the operational efficiency and reliability of equipment in industrial applications. Harmony solutions include intelligently connected products that visualize, collect and process data, enabling operators to make informed decisions.
Harmony signaling devices include beacons, beacons and audible alarms that provide operators with a reliable indication of the current status and voice guidance to help them solve and respond to problems faster.