Schneider Electric's ZB4BG420 is a 22mm selector switch head designed for panel mounting in industrial control applications. This component is part of the Harmony ZB4 series, known for its robust construction and reliable operation in demanding environments. The head features a 2-position, stay-put actuator, indicating that the switch will remain in its selected position until manually moved to the other. It is configured for use with Ronis 3131A key locks, providing an added layer of security and control.

Technical details

• Actuator Type: Selector Switch Head
• Mounting Diameter: Ø22 mm
• Number of Positions: 2-position
• Actuator Action: Stay Put (maintains selected position)
• Key Lock Compatibility: Ronis 3131A
• Series: Schneider Electric Harmony ZB4
• Contact Configuration: Requires separate contact blocks (not included) to define electrical switching function.
• Enclosure Rating: Typically IP65 when properly assembled with compatible contact blocks and mounting hardware, suitable for dusty and washdown environments.

Applications & compatibility

This selector switch head is commonly employed in control panels for machinery such as packaging equipment, material handling systems, and process control units. Its 2-position, stay-put functionality is ideal for applications requiring clear state indication and manual selection between two distinct operational modes, like ON/OFF or AUTO/MANUAL control. The Ronis key lock option enhances safety by preventing unauthorized operation.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the ZB4BG420 or contact our technical team for cross-reference assistance with compatible Harmony ZB4 components.