The Schneider Electric ZB5AG812 is a 22 mm key selector switch head designed for use within the Harmony XB5 and XB4 series. This component functions as a 3-position spring return operator, commonly integrated into control panels for machinery and automation systems requiring manual selection of operational modes or states. Its robust construction ensures reliable performance in demanding industrial environments.

Technical details

• Series: Harmony XB5, XB4
• Operator Type: Key Selector Switch Head
• Number of Positions: 3
• Return Type: Spring Return
• Actuator Type: Key Operated
• Mounting Hole Diameter: 22 mm
• Contact Configuration: Requires separate contact blocks (not included) to define circuit switching logic.
• Key Type: Specific key type (e.g., 421E) determines access and operational control.

Applications & compatibility

This key selector switch head is suitable for applications requiring secure and defined operational states, such as on packaging machinery, material handling equipment, and process control systems. It is designed to interface with standard 22 mm mounting holes and is compatible with various Schneider Electric Harmony XB5 and XB4 series components, including contact blocks and indicator lights.

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 ZB5AG812 or contact our technical team for cross-reference assistance with compatible Harmony XB5/XB4 components.