Part of the Schneider Electric Harmony XB4 series, this metal key switch selector head is designed for robust control panel applications. Featuring a black finish and a 22mm mounting diameter, it provides secure, key-operated control for machinery and automation systems. The unit utilizes key 421E for access and offers a stay-put function for maintained position selection.

Technical details

• Series: Harmony XB4
• Operator Type: Key switch selector head
• Actuator Material: Metal
• Color: Black
• Mounting Diameter: 22 mm
• Key Type: 421E
• Number of Positions: 2
• Actuator Action: Stay put
• Contact Configuration: Requires separate contact blocks (not included)
• Enclosure Rating: Typically IP65 when properly assembled with compatible components (verify datasheet for specific rating)

Applications & compatibility

This key switch selector head is commonly integrated into control panels for industrial machinery, including packaging equipment, material handling systems, and process control applications. Its key-operated mechanism ensures authorized personnel can manage critical functions, enhancing operational safety and security. It is compatible with the full range of Schneider Electric Harmony XB4 22mm pushbuttons, selector switches, and pilot 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 ZB4BG412 or contact our technical team for cross-reference assistance with compatible Harmony XB4 components.