Push-button, plastic head, Ø 22 mm, black, 1NO, self-lock, unmarked
Series: Easy Harmony XA2 (Ø 22 mm range)
Mounting diameter: 22.5 mm recommended (Ø 22.3 +0.4 mm).
Panel thickness (clamping thickness): typical range ~1–5 mm.
Condition: Complete push button (spring return).



