The Schneider Electric ZBA639 is a circular pushbutton cap designed for use with the Harmony XB4 series of control stations. This blue cap features a distinct white 'R' marking, enhancing operator visibility and providing clear functional identification within control panels. It is engineered for 22mm diameter mounting holes, ensuring compatibility with a wide range of standard control panel cutouts.

Technical details

• Series: Harmony XB4
• Actuator Type: Pushbutton Cap
• Color: Blue
• Marking: White 'R'
• Mounting Diameter: 22mm
• Shape: Round
• Profile: Flush
• Contact Block Compatibility: Designed for use with standard Harmony XB4 contact blocks (sold separately).

Applications & compatibility

This pushbutton cap is commonly specified for control panels in manufacturing environments, including assembly lines, material handling systems, and process control applications. Its clear marking and robust construction make it suitable for operator interfaces on machinery requiring distinct 'R' function designation, such as reset or run functions.

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 Schneider ZBA639 pushbutton cap or contact our technical team for cross-reference assistance with compatible Harmony XB4 components.