1no push button switch 22mm | from 20 to 21

Schneider Electric XB4BA21 is a flush-mounted push button with black finish. It features a 1NO contact configuration and ensures safe, reliable control for various applications.

The Schneider Electric Harmony Dual Push Button Switch features a robust design with a red and green color scheme, offering one normally open (NO) and one normally closed (NC) contact. Its 22mm mounting size ensures compatibility with various panel applications, while the IP66 and IP69K ratings provide excellent resistance against dust and water, making it suitable for demanding environments. The intuitive markings enhance usability, allowing for quick identification of functions, ideal for cont