Schneider Harmony XB4 black push button.

• Unmarked black button.
• Spring return.
• Metal bezel.
• Comes complete with 1x NO contact.
• Slow-break contact operation.
• Installs into a standard 22mm diameter cut-out.
• Screw clamp connections.
• Dimensions (mm): 52(D) x 47(H) x 30(W).

Click for Schneider XB4BA21 black button datasheet