The Schneider Electric XB4BS8444 is a red 40 mm emergency stop push-button from the Harmony XB4 range, designed for 22 mm panel cutout mounting. It features a turn-to-release latching mechanism with 2 NC contacts, suitable for control and signalling applications in industrial panels.

• Reference: XB4BS8444
• Range: Harmony XB4
• Model: Zamak
• Product type: Emergency stop push-button
• Mounting diameter: 22 mm
• Actuator colour: Red
• Actuator head diameter: 40 mm
• Contact configuration: 2 NC (normally closed)
• Latching mechanism: Turn-to-release
• Head material: Chrome-plated metal