The Schneider Electric ZB4BA3 is a non-illuminated push-button head from the Harmony XB4 range, designed for 22 mm panel mounting. The flush green actuator features spring return and carries no legend, making it suitable for combination with a separate body/fixing collar and contact block in control panel assemblies.

• Reference: ZB4BA3
• Range: Harmony XB4
• Product group: ZB4
• Type: Non-illuminated push-button head
• Colour: Green
• Actuator style: Flush (recessed)
• Mounting diameter: 22 mm (cutout 22.5 mm)
• Return: Spring return
• Marking: Unmarked
• Material: Chrome-plated metal