The Schneider Electric XB5AA42 is a complete flush push-button from the Harmony XB5 range, designed for 22 mm panel cutout mounting in industrial control and signalling applications. It features a red actuator with spring return and a single normally closed contact block, supplied unlabelled.

• Reference: XB5AA42
• Range: Harmony XB5
• Product type: Complete push-button
• Colour: Red
• Mounting diameter: 22 mm
• Actuator style: Flush (recessed)
• Contact configuration: 1 NC (normally closed)
• Operation: Spring return (momentary)
• Legend: Unlabelled