The Schneider Electric Harmony XB4 series emergency stop push button provides critical safety functionality for industrial control panels. This specific unit, designated XB4BS542, is a complete assembly featuring a red Ø 40mm stop button with a latching turn-to-release mechanism. It is designed for panel mounting with a standard Ø22mm cutout and includes one normally closed (1NC) contact block.

Technical details

• Series: Harmony XB4
• Actuator Type: Emergency Stop Push Button
• Actuator Color: Red
• Actuator Diameter: Ø 40mm
• Mounting Hole Diameter: Ø22mm
• Operator Action: Latching - Turn to release
• Contact Configuration: 1 Normally Closed (1NC)
• Contact Block Type: ZB4 series

Applications & compatibility

This emergency stop button is essential for safety circuits in a wide range of industrial machinery and control systems. It is commonly integrated into operator interfaces for packaging machines, material handling equipment, CNC machinery, and assembly lines where immediate shutdown capability is required.

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 XB4BS542 or contact our technical team for cross-reference assistance with compatible Harmony XB4 components.